Physics | Class 12

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    Chapter 12 Electrostatics ( 52 videos)  (Practice Test)

      12.1: Electric Charge
      Introduction to Electrostatics
    1. Introduction to Electrostatics
      15914 views
      12.2: Coulomb's law
      Problem2-Coulombs Law
    1. Problem2-Coulombs Law
      54912 views
      2. Coulomb's Law
    2. Coulomb's Law
      27261 views
      3. More on Coulomb's Law
    3. More on Coulomb's Law
      14996 views
      12.3: Field of Force
      Problem-Coulomb's Law
    1. Problem-Coulomb's Law
      17938 views
      2. Field of Force
    2. Field of Force
      9961 views
      3. More on Field of Force
    3. More on Field of Force
      6082 views
      12.4: Electric Field Lines
      Introduction to Electric Field Lines
    1. Introduction to Electric Field Lines
      17166 views
      12.5: Applications of Electrostatics
      Application of Electrostatics
    1. Application of Electrostatics
      20327 views
      2. Xerography (Photocopier)
    2. Xerography (Photocopier)
      26419 views
      12.6: Electric Flux
      Problem-Field of Force
    1. Problem-Field of Force
      21491 views
      2. Electric Flux
    2. Electric Flux
      6975 views
      3. Problem-Electric Flux
    3. Problem-Electric Flux
      9857 views
      4. Electric Flux Through a Surface Enclosing a Charge
    4. Electric Flux Through a Surface Enclosing a Charge
      2556 views
      12.7: Gauss's Law
      Problem-Electric Flux Through a Surface Enclosing a Charge
    1. Problem-Electric Flux Through a Surface Enclosing a Charge
      25282 views
      2. Gauss's Law
    2. Gauss's Law
      6386 views
      12.8: Applications of Gauss's Law
      More on Absence of Electric Field and Absence of Charge Inside a Conductor
    1. More on Absence of Electric Field and Absence of Charge Inside a Cond
      16023 views
      2. Intensity of Field Inside a Hollow Charged Sphere
    2. Intensity of Field Inside a Hollow Charged Sphere
      21583 views
      3. Electric Intensity Due to an Infinite Sheet of Charge
    3. Electric Intensity Due to an Infinite Sheet of Charge
      4605 views
      4. Problem-Electric Intensity Due to an Infinite Sheet of Charge
    4. Problem-Electric Intensity Due to an Infinite Sheet of Charge
      12820 views
      5. Electric Intensity Between Two Oppositely Charged Parallel Plates
    5. Electric Intensity Between Two Oppositely Charged Parallel Plates
      3865 views
      12.9: Electric potential (Practice Test)
      Problem3-Electrostatic Potential
    1. Problem3-Electrostatic Potential
      25406 views
      2. Electric Potential
    2. Electric Potential
      4796 views
      3. Problem-Electric Potential
    3. Problem-Electric Potential
      23309 views
      4. Electric Field as Potential Gradient
    4. Electric Field as Potential Gradient
      3751 views
      5. Problem-Electric Field as Potential Gradient
    5. Problem-Electric Field as Potential Gradient
      25457 views
      6. Electric Potential at a Point due to a Point Charge
    6. Electric Potential at a Point due to a Point Charge
      13797 views
      7. More on Electric Potential at a Point due to a Point Charge
    7. More on Electric Potential at a Point due to a Point Charge
      9982 views
      8. More on Electric Potential at a Point due to a Point Charge
    8. More on Electric Potential at a Point due to a Point Charge
      3061 views
      12.10: Electron Volt
      Equipotential Surfaces
    1. Equipotential Surfaces
      10839 views
      2. Electron Volt
    2. Electron Volt
      2826 views
      12.11: Comparison between Electric and Gravitational Forces
      Problem-Electron Volt
    1. Problem-Electron Volt
      4507 views
      2. Electric and Gravitational Forces (A Comparison)
    2. Electric and Gravitational Forces (A Comparison)
      2241 views
      12.12: Determination of Electronic Charge by Milikan's Method
      Problem-Electric and Gravitational Forces (A Comparison)
    1. Problem-Electric and Gravitational Forces (A Comparison)
      9921 views
      2. Charge on an Electron by Millikan's Method
    2. Charge on an Electron by Millikan's Method
      5895 views
      3. More on Charge on an Electron by Millikan's Method
    3. More on Charge on an Electron by Millikan's Method
      2275 views
      12.13: Capacitors
      Problem-Capacitor and Capacitance
    1. Problem-Capacitor and Capacitance
      11172 views
      2. Capacitor
    2. Capacitor
      3445 views
      12.14: Capacitance of a Parallel Plate Capacitor
      Problem-Capacitor
    1. Problem-Capacitor
      11987 views
      2. Capacitance of a Parallel Plate Capacitor
    2. Capacitance of a Parallel Plate Capacitor
      2762 views
      12.15: Electric Polarization of Dielectrics
      Problem-Capacitance of a Parallel Plate Capacitor
    1. Problem-Capacitance of a Parallel Plate Capacitor
      16302 views
      12.16: Energy Stored in a Capacitor
      Electric Polarization of Dielectrics
    1. Electric Polarization of Dielectrics
      9524 views
      2. Energy Stored in a Capacitor
    2. Energy Stored in a Capacitor
      6945 views
      3. More on Energy Stored in a Capacitor
    3. More on Energy Stored in a Capacitor
      2393 views
      4. Problem1-Energy Stored in a Capacitor
    4. Problem1-Energy Stored in a Capacitor
      2025 views
      12.17: Charging and Discharging of a Capacitor (Practice Test)
      Problem2-Energy Stored in a Capacitor
    1. Problem2-Energy Stored in a Capacitor
      13015 views
      2. Charging and Discharging a Capacitor
    2. Charging and Discharging a Capacitor
      5724 views
      3. More on Charging and Discharging a Capacitor-Part1
    3. More on Charging and Discharging a Capacitor-Part1
      3855 views
      4. More on Charging and Discharging a Capacitor-Part2
    4. More on Charging and Discharging a Capacitor-Part2
      3941 views
      5. More on Charging and Discharging a Capacitor-Part3
    5. More on Charging and Discharging a Capacitor-Part3
      2481 views
      6. Problem3-Electrostatic Potential
    6. Problem3-Electrostatic Potential
      25406 views
      7. Electric Potential
    7. Electric Potential
      4796 views

    Chapter 13 Current Electricity ( 50 videos)  (Practice Test)

      13.1: Steady Current
      Direction of a Current
    1. Direction of a Current
      6932 views
      2. Current Through a Metallic Conductor
    2. Current Through a Metallic Conductor
      3234 views
      13.2: Sources of Current
      Problem2-Measurement of Current
    1. Problem2-Measurement of Current
      6728 views
      13.3: Effects of Electric Current (Practice Test)
      Sources of Current
    1. Sources of Current
      8035 views
      2. Effects of Current
    2. Effects of Current
      5343 views
      13.4: Ohm's Law (Practice Test)
      Problem-Characteristics of Ohmic and Non Ohmic Conductors
    1. Problem-Characteristics of Ohmic and Non Ohmic Conductors
      12914 views
      2. Ohm's law
    2. Ohm's law
      8030 views
      3. More on Ohm's law
    3. More on Ohm's law
      3130 views
      4. More on Review of Series and Parallel Combination of Resistors
    4. More on Review of Series and Parallel Combination of Resistors
      2489 views
      5. Problem1-Review of Series and Parallel Combination of Resistors
    5. Problem1-Review of Series and Parallel Combination of Resistors
      2359 views
      13.5: Resistivity is a Characteristic of The Material
      Resistivity and Conductivity
    1. Resistivity and Conductivity
      2855 views
      2. Resistivity and Conductivity
    2. Resistivity and Conductivity
      918 views
      13.6: Effect of Temperature on Resistance (Practice Test)
      Problem-Resistivity and Conductivity
    1. Problem-Resistivity and Conductivity
      9699 views
      2. Resistivity and its Dependence Upon Temperature
    2. Resistivity and its Dependence Upon Temperature
      7576 views
      3. More on Resistivity and its Dependence Upon Temperature
    3. More on Resistivity and its Dependence Upon Temperature
      2577 views
      4. Problem-Resistivity and its Dependence Upon Temperature
    4. Problem-Resistivity and its Dependence Upon Temperature
      2358 views
      5. Conductance and Conductivity
    5. Conductance and Conductivity
      46 views
      6. Problem 1-Conductance and Conductivity
    6. Problem 1-Conductance and Conductivity
      44 views
      13.7: Thermistors
      Light Dependent Resister (l.d.r)
    1. Light Dependent Resister (l.d.r)
      12161 views
      13.8: Colour Code for Carbon Resistances
      More on Types of Resistors
    1. More on Types of Resistors
      5386 views
      2. Colour Code for Carbon Resistances
    2. Colour Code for Carbon Resistances
      1819 views
      3. Problem1-Color Code for Carbon Resistances
    3. Problem1-Color Code for Carbon Resistances
      1458 views
      13.9: Heating Effect of Current and Joule's Law (Practice Test)
      Problem 2-Electrical Energy and Joules law
    1. Problem 2-Electrical Energy and Joules law
      11199 views
      2. Electrical Power and Power Dissipation in Resistors
    2. Electrical Power and Power Dissipation in Resistors
      2535 views
      13.10: Electromotive Force and Potential Difference (Practice Test)
      Problem-Measurement of e.m.f
    1. Problem-Measurement of e.m.f
      22595 views
      2. Electromotive Force (EMF) and Potential Difference
    2. Electromotive Force (EMF) and Potential Difference
      11087 views
      3. More on Electromotive Force (EMF) and Potential Difference
    3. More on Electromotive Force (EMF) and Potential Difference
      2099 views
      4. Problem-Electromotive Force (EMF) and Potential Difference
    4. Problem-Electromotive Force (EMF) and Potential Difference
      3282 views
      5. Relation Between Electromotive Force and Potential Difference and Internal Resistance of The Source
    5. Relation Between Electromotive Force and Potential Difference and Int
      1705 views
      6. More on Relation Between Electromotive Force and Potential Difference and Internal Resistance of The Source
    6. More on Relation Between Electromotive Force and Potential Difference
      899 views
      7. Problem-Relation Between Electromotive Force and Potential Difference and Internal Resistance of The Source
    7. Problem-Relation Between Electromotive Force and Potential Difference
      11410 views
      8. Maximum Power Output
    8. Maximum Power Output
      2247 views
      13.11: Applications of Ohm's Law in Circuit Analysis
      Problem-Electrical Resistances
    1. Problem-Electrical Resistances
      851 views
      13.12: Kirchoff's Laws
      Kilowatt Hour
    1. Kilowatt Hour
      8915 views
      2. Kirchhoff's First Rules
    2. Kirchhoff's First Rules
      12580 views
      3. Kirchhoff's Second Rule
    3. Kirchhoff's Second Rule
      4616 views
      4. Problem-Kirchhoff's Second Rule
    4. Problem-Kirchhoff's Second Rule
      2621 views
      5. More on Problem-Kirchhoff's Second Rule
    5. More on Problem-Kirchhoff's Second Rule
      425 views
      6. Node Analysis
    6. Node Analysis
      158 views
      7. Problem-Node Analysis
    7. Problem-Node Analysis
      1862 views
      8. Loop Analysis
    8. Loop Analysis
      144 views
      9. Problem-Loop Analysis
    9. Problem-Loop Analysis
      114 views
      13.13: Rheostat
      Problem2-Color Code for Carbon Resistances
    1. Problem2-Color Code for Carbon Resistances
      13952 views
      2. Rheostat
    2. Rheostat
      7224 views
      13.14: Wheatstone Bridge
      More on Problem-Loop Analysis
    1. More on Problem-Loop Analysis
      14362 views
      2. Wheatstone Bridge
    2. Wheatstone Bridge
      2796 views
      3. Problem-Wheatstone Bridge
    3. Problem-Wheatstone Bridge
      2168 views
      13.15: Potentiometer
      More on Problem-Wheatstone Bridge
    1. More on Problem-Wheatstone Bridge
      20824 views
      2. Potentiometer
    2. Potentiometer
      10157 views
      3. More on Potentiometer
    3. More on Potentiometer
      1956 views

    Chapter 14 Electromagnetism ( 28 videos)  (Practice Test)

      14.1: Magnetism and Electromagnetism
      Introduction to Electromagnetism
    1. Introduction to Electromagnetism
      6024 views
      2. Magnetic Field Due to Current in a Long Straight Wire
    2. Magnetic Field Due to Current in a Long Straight Wire
      4353 views
      3. More on Force on a Current Carrying Conductor in a Uniform B Field
    3. More on Force on a Current Carrying Conductor in a Uniform B Field
      3346 views
      4. Problem1-Force on a Current Carrying Conductor Place in a Magnetic Field
    4. Problem1-Force on a Current Carrying Conductor Place in a Magnetic Fi
      2481 views
      5. Magnetic Flux and Flux Density
    5. Magnetic Flux and Flux Density
      3358 views
      14.2: Ampere's Laws (Practice Test)
      Problem-Magnetic Flux and Flux Density
    1. Problem-Magnetic Flux and Flux Density
      15584 views
      2. Ampere's Law and Determination of Flux Density B
    2. Ampere's Law and Determination of Flux Density B
      10783 views
      3. More on Ampere's Law and Determination of Flux Density B
    3. More on Ampere's Law and Determination of Flux Density B
      2855 views
      14.3: Magnetic Field Due to a Current in a Solenoid (Practice Test)
      Magnetic Field of a Solenoid
    1. Magnetic Field of a Solenoid
      10645 views
      2. Field Due to a Current Carrying Solenoid
    2. Field Due to a Current Carrying Solenoid
      7424 views
      3. More on Field Due to a Current Carrying Solenoid
    3. More on Field Due to a Current Carrying Solenoid
      2201 views
      14.4: Force on a Current Carrying Conductor in a Uniform Magnetic Field (Practice Test)
      Problem-Ampere's Law and Determination of Flux Density B
    1. Problem-Ampere's Law and Determination of Flux Density B
      12155 views
      2. Force on a Moving Charge in a Magnetic Field
    2. Force on a Moving Charge in a Magnetic Field
      7526 views
      3. Circular Trajectory of a Charged Particle in a Magnetic Field
    3. Circular Trajectory of a Charged Particle in a Magnetic Field
      1522 views
      4. Motion of Charged Particle in an Electric and Magnetic Field
    4. Motion of Charged Particle in an Electric and Magnetic Field
      2140 views
      5. More on Determination of e/m of an Electron
    5. More on Determination of e/m of an Electron
      2112 views
      6. More on Galvanometer
    6. More on Galvanometer
      10532 views
      7. Ammeter
    7. Ammeter
      6707 views
      8. More on Ammeter
    8. More on Ammeter
      2131 views
      9. Problem-Ammeter
    9. Problem-Ammeter
      8935 views
      10. Voltmeter
    10. Voltmeter
      4815 views
      11. More on Voltmeter
    11. More on Voltmeter
      1642 views
      14.5: AVOmeter (Multimeter) (Practice Test)
      More on Post Office Box ( P.O. Box )
    1. More on Post Office Box ( P.O. Box )
      10053 views
      2. AVO meter-Multimeter
    2. AVO meter-Multimeter
      5714 views
      3. Multi-Range Ammeter
    3. Multi-Range Ammeter
      2512 views
      4. Multi-Range D.C. Voltmeter
    4. Multi-Range D.C. Voltmeter
      1159 views
      5. Multi-Range A.C. Voltmeter
    5. Multi-Range A.C. Voltmeter
      1744 views
      6. Multi-Range Ohmmeter
    6. Multi-Range Ohmmeter
      7566 views

    Chapter 15 Electromagnetic Induction ( 34 videos)  (Practice Test)

      15.1: Induced EMF and Induced Current (Practice Test)
      Introduction to Electromagnetic Induction
    1. Introduction to Electromagnetic Induction
      24484 views
      2. Induced EMF and Induced Current
    2. Induced EMF and Induced Current
      9483 views
      3. More on Motional EMF
    3. More on Motional EMF
      2224 views
      15.2: Faraday's Laws and Induced EMF
      Problem-Motional EMF
    1. Problem-Motional EMF
      12280 views
      2. Faraday's Law and Induced EMF
    2. Faraday's Law and Induced EMF
      3012 views
      15.3: Lenz's Law and Direction of Induced EMF
      Lenz's Law
    1. Lenz's Law
      17668 views
      2. Lenz's Law and Direction of Induced EMF
    2. Lenz's Law and Direction of Induced EMF
      2664 views
      15.4: Mutual Induction (Practice Test)
      Mutual Induction
    1. Mutual Induction
      8844 views
      2. Mutual Induction
    2. Mutual Induction
      3957 views
      3. More on Mutual Induction
    3. More on Mutual Induction
      1671 views
      15.5: Self Induction
      Self Induction
    1. Self Induction
      8976 views
      2. Self Induction
    2. Self Induction
      1660 views
      15.6: Non-Inductive Wire Wound Resistance (Practice Test)
      Problem-Self Induction
    1. Problem-Self Induction
      3954 views
      2. Back EMF in Motors
    2. Back EMF in Motors
      10775 views
      3. Energy Stored in an Inductor
    3. Energy Stored in an Inductor
      4769 views
      4. More on Energy Stored in an Inductor
    4. More on Energy Stored in an Inductor
      1459 views
      5. Problem1-Energy Stored in an Inductor
    5. Problem1-Energy Stored in an Inductor
      1208 views
      15.7: Motional EMF (Practice Test)
      More on Induced EMF and Induced Current
    1. More on Induced EMF and Induced Current
      17707 views
      2. Motional EMF
    2. Motional EMF
      7787 views
      3. More on Motional EMF
    3. More on Motional EMF
      2224 views
      15.8: Alternating Current Generator (Practice Test)
      AC Generator
    1. AC Generator
      17405 views
      2. Alternating Current Generator
    2. Alternating Current Generator
      9173 views
      3. More on Alternating Current Generator-1
    3. More on Alternating Current Generator-1
      6671 views
      4. More on Alternating Current Generator-2
    4. More on Alternating Current Generator-2
      1726 views
      15.9: D.C.Generator (Practice Test)
      Problem-Alternating Current Generator
    1. Problem-Alternating Current Generator
      10051 views
      2. DC Motor
    2. DC Motor
      4864 views
      15.10: Back Motor Effect in Generators
      D.C. Generator
    1. D.C. Generator
      8504 views
      15.11: Back E.M.F. Motors (Practice Test)
      D.C. Motor
    1. D.C. Motor
      7528 views
      2. Back EMF Effect in Motors
    2. Back EMF Effect in Motors
      707 views
      3. Problem1-Back EMF Effect in Motors
    3. Problem1-Back EMF Effect in Motors
      573 views
      4. Problem2-Back EMF Effect in Motors
    4. Problem2-Back EMF Effect in Motors
      624 views
      5. Problem2-Transformer
    5. Problem2-Transformer
      9675 views
      6. Transformer
    6. Transformer
      5473 views
      7. More on Transformer
    7. More on Transformer
      1813 views

    Chapter 16 Alternating Current ( 52 videos)  (Practice Test)

      16.1: Introduction to Alternating Currents and Voltages (Practice Test)
      Alternating Current
    1. Alternating Current
      14815 views
      2. Alternating Current
    2. Alternating Current
      8638 views
      3. More on Alternating Current
    3. More on Alternating Current
      7914 views
      4. More on Alternating Current
    4. More on Alternating Current
      2577 views
      16.2: Initial Phase and The Phase Change (Practice Test)
      Problem-Alternating Current
    1. Problem-Alternating Current
      7748 views
      2. Phase of A.C.
    2. Phase of A.C.
      4426 views
      3. More on Phase of A.C.
    3. More on Phase of A.C.
      414 views
      4. Initial Phase and The Phase Change
    4. Initial Phase and The Phase Change
      166 views
      5. More on Initial Phase and The Phase Change
    5. More on Initial Phase and The Phase Change
      171 views
      16.3: A.C. Circuit
      Vector Representation of an Alternating Current
    1. Vector Representation of an Alternating Current
      2758 views
      16.4: A.C. through Resistor (Practice Test)
      A.C. Circuits
    1. A.C. Circuits
      10152 views
      2. A.C. Through a Resistor
    2. A.C. Through a Resistor
      5730 views
      3. More on A.C. Through a Resistor
    3. More on A.C. Through a Resistor
      1919 views
      4. Problem1-A.C. Through a Resistor
    4. Problem1-A.C. Through a Resistor
      1383 views
      16.5: A.C. Through a Capacitor (Practice Test)
      Problem2-A.C. Through a Resistor
    1. Problem2-A.C. Through a Resistor
      13170 views
      2. A.C. Through a Capacitor
    2. A.C. Through a Capacitor
      7774 views
      3. More on A.C. Through a Capacitor
    3. More on A.C. Through a Capacitor
      5875 views
      4. More on A.C. Through a Capacitor
    4. More on A.C. Through a Capacitor
      3995 views
      5. Reactance of Capacitive Circuit
    5. Reactance of Capacitive Circuit
      1292 views
      6. Problem-A.C. Through a Capacitor
    6. Problem-A.C. Through a Capacitor
      1108 views
      7. More on Problem-A.C. Through a Capacitor
    7. More on Problem-A.C. Through a Capacitor
      1099 views
      16.6: A.C. Through Inductor (Practice Test)
      Reactance of C
    1. Reactance of C
      12293 views
      2. A.C. Through an Inductor
    2. A.C. Through an Inductor
      6900 views
      3. more on A.C. Through an Inductor
    3. more on A.C. Through an Inductor
      1502 views
      16.7: Impedance
      Inductive Choke
    1. Inductive Choke
      5345 views
      2. Impedance
    2. Impedance
      1026 views
      3. Problem1-Impedance
    3. Problem1-Impedance
      936 views
      16.8: A.C. through Resistor and Inductor in Series
      Problem-Capacitive Reactance
    1. Problem-Capacitive Reactance
      1832 views
      2. A.C. Through Resistor and Inductor in Series
    2. A.C. Through Resistor and Inductor in Series
      212 views
      16.9: A.C. through Resistor and Capacitor in Series
      More on A.C. Through Resistor and Inductor in Series
    1. More on A.C. Through Resistor and Inductor in Series
      2154 views
      2. A.C. Through Resistor and Capacitor in Series
    2. A.C. Through Resistor and Capacitor in Series
      295 views
      16.10: Power in A.C. Circuits
      More on Problem2-R-C and R-L Series Circuits
    1. More on Problem2-R-C and R-L Series Circuits
      4760 views
      2. Power in A.C. Circuits
    2. Power in A.C. Circuits
      2647 views
      3. More on Power in A.C. Circuits
    3. More on Power in A.C. Circuits
      942 views
      4. Problem-Power in A.C. Circuits
    4. Problem-Power in A.C. Circuits
      863 views
      16.11: Choke Coil (Practice Test)
      Principle of Metal Detectors
    1. Principle of Metal Detectors
      4215 views
      16.12: LC Series Circuit (Practice Test)
      Problem-RLC Series AC Circuit
    1. Problem-RLC Series AC Circuit
      8469 views
      2. Series Resonance Circuit
    2. Series Resonance Circuit
      4731 views
      16.13: LC Parallel Circuit (Practice Test)
      More on Series Resonance Circuit
    1. More on Series Resonance Circuit
      13299 views
      2. Parallel Resonance Circuit
    2. Parallel Resonance Circuit
      5728 views
      16.14: Metal Detectors
      Three Phase A.C. Supply
    1. Three Phase A.C. Supply
      12306 views
      16.15: Three Phase A.C
      Problem-Parallel Resonance Circuit
    1. Problem-Parallel Resonance Circuit
      9217 views
      16.16: Electromagnetic Waves (Practice Test)
      Choke
    1. Choke
      11708 views
      2. Magnetic resonance imaging (MRI)
    2. Magnetic resonance imaging (MRI)
      406 views
      3. Electric Field Due to a Changing Magnetic Flux
    3. Electric Field Due to a Changing Magnetic Flux
      431 views
      4. Magnetic Field Due to a Changing Electric Flux
    4. Magnetic Field Due to a Changing Electric Flux
      108 views
      16.17: Production of Electromagnetic Waves
      More on Magnetic Field Due to a Changing Electric Flux
    1. More on Magnetic Field Due to a Changing Electric Flux
      9175 views
      16.18: Reception of Electromagnetic Waves
      Principle of Generation of e.m Waves
    1. Principle of Generation of e.m Waves
      8103 views
      16.19: Radiation From Antenna
      More on Transmission and Reception of Information
    1. More on Transmission and Reception of Information
      228 views
      16.20: Transmission and Reception of Information (Practice Test)
      Principle of Transmission and Reception of em Waves
    1. Principle of Transmission and Reception of em Waves
      1060 views
      2. Transmission and Reception of Information
    2. Transmission and Reception of Information
      314 views
      3. More on Transmission and Reception of Information
    3. More on Transmission and Reception of Information
      624 views

    Chapter 17 Physics of Solids ( 31 videos)  (Practice Test)

      17.1: Classification of Solids (Practice Test)
      Crystalline and Amorphous or Glassy Solids
    1. Crystalline and Amorphous or Glassy Solids
      7255 views
      2. Polymeric Solids and Crystal Lattice
    2. Polymeric Solids and Crystal Lattice
      4812 views
      17.2: Mechanical Properties of Solids
      Mechanical Properties of Solids
    1. Mechanical Properties of Solids
      2400 views
      17.3: Elasticity (Practice Test)
      Elasticity and Plasticity
    1. Elasticity and Plasticity
      2684 views
      2. Stress and Strain
    2. Stress and Strain
      4863 views
      3. More on Stress and Strain
    3. More on Stress and Strain
      2866 views
      4. Problem-Stress and Strain
    4. Problem-Stress and Strain
      1322 views
      5. Problem-Tensile and Compressive Stress and Strain
    5. Problem-Tensile and Compressive Stress and Strain
      625 views
      6. Problem-Bulk Stress and Strain; Bulk Modulus
    6. Problem-Bulk Stress and Strain; Bulk Modulus
      694 views
      7. Elastic Limit and Yield Strength
    7. Elastic Limit and Yield Strength
      7679 views
      8. Problem-Elastic Limit and Yield Strength
    8. Problem-Elastic Limit and Yield Strength
      1053 views
      17.4: Strain Energy in Deformed Materials (Practice Test)
      Energy Stored in a Stretched Force
    1. Energy Stored in a Stretched Force
      334 views
      2. More on Energy Stored in a Stretched Force
    2. More on Energy Stored in a Stretched Force
      264 views
      17.5: Electrical Properties of Solids
      Electrical Properties of Solids
    1. Electrical Properties of Solids
      5026 views
      17.6: Band Theory of Solids (Practice Test)
      Energy Band Theory
    1. Energy Band Theory
      29321 views
      2. Insulators and Conductors
    2. Insulators and Conductors
      5345 views
      3. Semiconductors
    3. Semiconductors
      4435 views
      17.7: Intrinsic and Extrinsic Semiconductors (Practice Test)
      Introduction to Semi-Conductor
    1. Introduction to Semi-Conductor
      6847 views
      2. Intrinsic and Extrinsic Semiconductors
    2. Intrinsic and Extrinsic Semiconductors
      3490 views
      17.8: Superconductors
      Superconductors
    1. Superconductors
      5099 views
      2. More on Superconductors
    2. More on Superconductors
      2578 views
      17.9: Magnetic Properties of Solids (Practice Test)
      Magnetic Properties of Solids
    1. Magnetic Properties of Solids
      6510 views
      2. Atomic Origin of Magnetism
    2. Atomic Origin of Magnetism
      6801 views
      3. Diamagnetic Material
    3. Diamagnetic Material
      4812 views
      4. More on Diamagnetic Material
    4. More on Diamagnetic Material
      2144 views
      5. Paramagnetic Material
    5. Paramagnetic Material
      5604 views
      6. Origin of Ferromagnetism
    6. Origin of Ferromagnetism
      5534 views
      7. More on Origin of Ferromagnetism
    7. More on Origin of Ferromagnetism
      2636 views
      17.10: Hysteresis (Practice Test)
      Hysterises Loop
    1. Hysterises Loop
      9400 views
      2. More on Hysterises Loop
    2. More on Hysterises Loop
      6712 views
      3. Semiconductors
    3. Semiconductors
      4435 views

    Chapter 18 Electronics ( 50 videos)  (Practice Test)

      18.1: Semiconductors (Practice Test)
      More on Brief Review of p-n Junction and its Characteristics
    1. More on Brief Review of p-n Junction and its Characteristics
      2419 views
      2. Semi-Conductor Diode
    2. Semi-Conductor Diode
      9515 views
      3. Forward Biased p-n Junction
    3. Forward Biased p-n Junction
      6626 views
      18.2: Diode as a Rectifier (Practice Test)
      Rectification
    1. Rectification
      9372 views
      2. Half Wave Rectification
    2. Half Wave Rectification
      8363 views
      3. Centre-Tape Full-Wave Rectifier
    3. Centre-Tape Full-Wave Rectifier
      1691 views
      18.3: Special Purpose Diodes (Practice Test)
      More on Photo-Voltaic Cell
    1. More on Photo-Voltaic Cell
      765 views
      2. Semiconductor Diode
    2. Semiconductor Diode
      6643 views
      3. Light Emitting Diode
    3. Light Emitting Diode
      3352 views
      4. More on Light Emitting Diode
    4. More on Light Emitting Diode
      7684 views
      5. Photo Diode
    5. Photo Diode
      3596 views
      6. Problem- Transistors
    6. Problem- Transistors
      1716 views
      7. Solar Cell
    7. Solar Cell
      610 views
      18.4: Transistor (Practice Test)
      Transistor as an Amplifier
    1. Transistor as an Amplifier
      9325 views
      2. Transistors
    2. Transistors
      6993 views
      3. More on Transistor
    3. More on Transistor
      2139 views
      4. More on Solar Cell and Their Uses
    4. More on Solar Cell and Their Uses
      9447 views
      5. Current Flow in a n-p-n Transistor
    5. Current Flow in a n-p-n Transistor
      1088 views
      6. Problem- Current Flow in a n-p-n Transistor
    6. Problem- Current Flow in a n-p-n Transistor
      376 views
      7. Transistor Action
    7. Transistor Action
      169 views
      8. More on Transistor Action
    8. More on Transistor Action
      1856 views
      9. transistor Configurations
    9. transistor Configurations
      108 views
      10. Uses of Transistors
    10. Uses of Transistors
      3177 views
      18.5: Transistor as an Amplifier (Practice Test)
      Working of p-n-p Transistor
    1. Working of p-n-p Transistor
      23384 views
      2. Transistor as an Amplifier
    2. Transistor as an Amplifier
      11191 views
      3. More on Transistor as an Amplifier
    3. More on Transistor as an Amplifier
      10717 views
      18.6: Trnasistor as Switch
      More on Transistor as an Amplifier
    1. More on Transistor as an Amplifier
      9964 views
      2. Transistor as a Switch
    2. Transistor as a Switch
      3995 views
      18.7: Operational Amplifier (Practice Test)
      More on Transistor as Switch
    1. More on Transistor as Switch
      6157 views
      2. Operational Amplifier
    2. Operational Amplifier
      3343 views
      3. Characteristics of op-amp
    3. Characteristics of op-amp
      8632 views
      4. OP-AMP as Inverting Amplifier
    4. OP-AMP as Inverting Amplifier
      3369 views
      5. More on OP AMP as Inverting Amplifier
    5. More on OP AMP as Inverting Amplifier
      1257 views
      6. Problem- OP-AMP as Inverting Amplifier
    6. Problem- OP-AMP as Inverting Amplifier
      6409 views
      7. OP-AMP as Non-Inverting Amplifier
    7. OP-AMP as Non-Inverting Amplifier
      1042 views
      8. Comparator as a Night Switch
    8. Comparator as a Night Switch
      177 views
      9. Problem- OP-AMP as Non-Inverting Amplifier
    9. Problem- OP-AMP as Non-Inverting Amplifier
      8442 views
      18.8: Digital Electronics
      Basic Operations of Digital Electronics
    1. Basic Operations of Digital Electronics
      2263 views
      18.9: logic Gates (Practice Test)
      Digital Systems
    1. Digital Systems
      2990 views
      2. NOT Operation
    2. NOT Operation
      1565 views
      3. OR Operation
    3. OR Operation
      1675 views
      4. AND Operation
    4. AND Operation
      1464 views
      5. NOR Gate
    5. NOR Gate
      1175 views
      6. NAND Operation
    6. NAND Operation
      1379 views
      7. OR Gate
    7. OR Gate
      3440 views
      8. NOR Gate
    8. NOR Gate
      1792 views
      9. Exclusive-NOR Gate (XNOR)
    9. Exclusive-NOR Gate (XNOR)
      795 views
      18.10: Applications of Logic Gates
      Uses of Logic Gates
    1. Uses of Logic Gates
      3283 views
      2. Control Systems Using Logic Gates
    2. Control Systems Using Logic Gates
      1829 views
      3. More on Control Systems Using Logic Gates
    3. More on Control Systems Using Logic Gates
      893 views

    Chapter 19 Dawn of Modern Physics ( 51 videos)  (Practice Test)

      19.1: Relative Motion
      Relative Motion
    1. Relative Motion
      9686 views
      19.2: Frame of Reference
      Frames of Reference
    1. Frames of Reference
      21137 views
      19.3: Einstein's theory of Relativity
      Special Theory of Relativity
    1. Special Theory of Relativity
      18109 views
      2. More on Special Theory of Relativity
    2. More on Special Theory of Relativity
      11556 views
      19.4: Consequences of Special Theory of Relativity (Practice Test)
      Time Dilation
    1. Time Dilation
      12212 views
      2. Problem-Time Dilation
    2. Problem-Time Dilation
      3218 views
      3. Length Contraction
    3. Length Contraction
      8578 views
      4. Problem-Length Contraction
    4. Problem-Length Contraction
      2545 views
      5. Mass Variation
    5. Mass Variation
      10685 views
      6. Problem-Mass Variation
    6. Problem-Mass Variation
      1860 views
      7. Energy-Mass Relation
    7. Energy-Mass Relation
      7493 views
      8. Problem-Energy-Mass Relation
    8. Problem-Energy-Mass Relation
      1711 views
      9. NAVSTAR Navigation System
    9. NAVSTAR Navigation System
      5194 views
      19.5: Black Body Radiations (Practice Test)
      Problem2-Half Life
    1. Problem2-Half Life
      17629 views
      2. Black Body Radiation
    2. Black Body Radiation
      10790 views
      3. 1-More on Black-Body Radiation
    3. 1-More on Black-Body Radiation
      8262 views
      4. 2-More on Black-Body Radiation
    4. 2-More on Black-Body Radiation
      2073 views
      5. Problem1-Black Body Radiation
    5. Problem1-Black Body Radiation
      1698 views
      6. Problem2-Black Body Radiation
    6. Problem2-Black Body Radiation
      9008 views
      7. Planck's Assumption
    7. Planck's Assumption
      4646 views
      8. More on Planck's Assumption
    8. More on Planck's Assumption
      1560 views
      19.6: The Photon
      Problem-Planck's Assumption
    1. Problem-Planck's Assumption
      5856 views
      2. More on The Photon
    2. More on The Photon
      1303 views
      19.7: Photoelectric Effect (Practice Test)
      Interaction of Electromagnetic Radiation With Matter
    1. Interaction of Electromagnetic Radiation With Matter
      14508 views
      2. Photoelectric Effect
    2. Photoelectric Effect
      8585 views
      3. 1-More on Photoelectric Effect
    3. 1-More on Photoelectric Effect
      4717 views
      4. 2-More on Photoelectric Effect
    4. 2-More on Photoelectric Effect
      5511 views
      5. 3-More on Photoelectric Effect
    5. 3-More on Photoelectric Effect
      1542 views
      6. Problem-Photoelectric Effect
    6. Problem-Photoelectric Effect
      5339 views
      7. Explanation on the Basis of Quantum Theory
    7. Explanation on the Basis of Quantum Theory
      3358 views
      8. More on Explanation on the Basis of Quantum Theory
    8. More on Explanation on the Basis of Quantum Theory
      1210 views
      19.8: Momentum of a Photon
      The Photon
    1. The Photon
      3852 views
      19.9: Compton Effect (Practice Test)
      More on Photocell
    1. More on Photocell
      25076 views
      2. Compton Effect
    2. Compton Effect
      9487 views
      3. 1-More on Compton Effect
    3. 1-More on Compton Effect
      7112 views
      4. 2-More on Compton Effect
    4. 2-More on Compton Effect
      2436 views
      19.10: Pair Production (Practice Test)
      Problem-Compton Effect
    1. Problem-Compton Effect
      9929 views
      2. Pair Production
    2. Pair Production
      6143 views
      3. More on Pair Production
    3. More on Pair Production
      1288 views
      19.11: Dual Nature of Light (Practice Test)
      Annihilation of Matter
    1. Annihilation of Matter
      8119 views
      2. Wave Nature of Particles
    2. Wave Nature of Particles
      3872 views
      19.12: Davison and Germer Experiment (Practice Test)
      More on Wave Nature of Particles
    1. More on Wave Nature of Particles
      8742 views
      2. Davisson and Germer Experiment
    2. Davisson and Germer Experiment
      3791 views
      3. More on Davisson and Germer Experiment
    3. More on Davisson and Germer Experiment
      1273 views
      19.13: Electron Microscope
      Uses of Wave Nature of Particles
    1. Uses of Wave Nature of Particles
      12402 views
      2. Electron Microscope
    2. Electron Microscope
      2847 views
      19.14: Heisenberg's Uncertainty Principle (Practice Test)
      More on Electron Microscope
    1. More on Electron Microscope
      6383 views
      2. Uncertainty Principle
    2. Uncertainty Principle
      5621 views
      3. 1-More on Uncertainty Principle
    3. 1-More on Uncertainty Principle
      3801 views
      4. 2-More on Uncertainty Principle
    4. 2-More on Uncertainty Principle
      1125 views
      5. Problem1-Uncertainty Principle
    5. Problem1-Uncertainty Principle
      891 views

    Chapter 20 The Atomic Spectra ( 35 videos)  (Practice Test)

      20.1: Spectrum of Hydrogen Atom (Practice Test)
      More on Atomic Spectrum of Hydrogen
    1. More on Atomic Spectrum of Hydrogen
      758 views
      2. Hazards of Radiations and Safety Measures
    2. Hazards of Radiations and Safety Measures
      16072 views
      3. Atomic Spectra
    3. Atomic Spectra
      7003 views
      4. 1-More on Atomic Spectra
    4. 1-More on Atomic Spectra
      4842 views
      5. 2-More on Atomic Spectra
    5. 2-More on Atomic Spectra
      3271 views
      6. Atomic Spectrum of Hydrogen
    6. Atomic Spectrum of Hydrogen
      1521 views
      20.2: The Bohr Model of the Hydrogen Atom (Practice Test)
      Optical Spectrum
    1. Optical Spectrum
      12848 views
      2. Bohr's Model of the Hydrogen Atom
    2. Bohr's Model of the Hydrogen Atom
      2523 views
      3. De-Broglie's Interpretation of Bohr's Orbits
    3. De-Broglie's Interpretation of Bohr's Orbits
      6366 views
      4. Quantized Radii
    4. Quantized Radii
      3813 views
      5. More on Quantized Radii
    5. More on Quantized Radii
      1375 views
      6. Problem-Quantized Radii
    6. Problem-Quantized Radii
      6489 views
      7. Quantized Energies
    7. Quantized Energies
      3230 views
      8. More on Quantized Energies
    8. More on Quantized Energies
      1254 views
      9. Problem-Quantized Energies
    9. Problem-Quantized Energies
      4944 views
      10. Hydrogen Emission Spectrum
    10. Hydrogen Emission Spectrum
      1723 views
      11. Energy Level Diagram
    11. Energy Level Diagram
      662 views
      20.3: De-Broglie's Interpretation of Bohr's Orbits
      Problem-Bohr's Model of the Hydrogen Atom
    1. Problem-Bohr's Model of the Hydrogen Atom
      7003 views
      20.4: Excitation and Ionization States (Practice Test)
      Success and Failure of Bohr's Theory
    1. Success and Failure of Bohr's Theory
      6712 views
      2. Excitation and Ionization Potential
    2. Excitation and Ionization Potential
      2211 views
      20.5: Inner Shell Transitions and X-Rays
      More on Excitation and Ionization Potential
    1. More on Excitation and Ionization Potential
      7986 views
      20.6: X-Rays (Practice Test)
      Inner Shell Transitions and Characteristic X-Rays
    1. Inner Shell Transitions and Characteristic X-Rays
      6499 views
      2. Production of X-Rays
    2. Production of X-Rays
      3858 views
      3. More on Production of X-Rays
    3. More on Production of X-Rays
      1323 views
      20.7: Laser (Practice Test)
      More on Uncertainty Within the Atom
    1. More on Uncertainty Within the Atom
      10645 views
      2. Laser
    2. Laser
      5327 views
      3. More on Laser
    3. More on Laser
      12363 views
      4. Spontaneous and Stimulated Emission
    4. Spontaneous and Stimulated Emission
      20892 views
      5. Population Inversion and Laser Action
    5. Population Inversion and Laser Action
      12334 views
      6. 2- More on Kinds of Lasers
    6. 2- More on Kinds of Lasers
      2928 views
      7. More on Population Inversion and Laser Action
    7. More on Population Inversion and Laser Action
      906 views
      8. Kinds of Lasers
    8. Kinds of Lasers
      515 views
      9. 1- More on Kinds of Lasers
    9. 1- More on Kinds of Lasers
      520 views
      10. Ruby Laser
    10. Ruby Laser
      36391 views
      11. Helium-Neon Laser
    11. Helium-Neon Laser
      4475 views

    Chapter 21 Nuclear Physics ( 80 videos)  (Practice Test)

      21.1: Thomson's Atomic Model
      The Geiger Marsden Experiment
    1. The Geiger Marsden Experiment
      3538 views
      21.2: Rutherford's Scattering Experiment
      Rutherford's Atomic Model
    1. Rutherford's Atomic Model
      2125 views
      2. Rutherford's Scattering Experiment
    2. Rutherford's Scattering Experiment
      1166 views
      21.3: Structure of the Nucleus
      More on Rutherford's Scattering Experiment
    1. More on Rutherford's Scattering Experiment
      8981 views
      2. Atomic Nucleus
    2. Atomic Nucleus
      3935 views
      21.4: Isotopes and Isobars (Practice Test)
      Uses of Radio Isotopes
    1. Uses of Radio Isotopes
      3930 views
      2. Isotopes and Isobars
    2. Isotopes and Isobars
      2577 views
      3. 1-More on Isotopes and Isobars
    3. 1-More on Isotopes and Isobars
      2287 views
      4. 2-More on Isotopes and Isobars
    4. 2-More on Isotopes and Isobars
      8821 views
      5. Mass Spectrograph
    5. Mass Spectrograph
      6057 views
      21.5: Binding Energy (Practice Test)
      More on Weak Nuclear Force and Electroweak Force
    1. More on Weak Nuclear Force and Electroweak Force
      13876 views
      2. Mass Defect and Binding Energy
    2. Mass Defect and Binding Energy
      6348 views
      3. 1-More on Mass Defect and Binding Energy
    3. 1-More on Mass Defect and Binding Energy
      5156 views
      4. 2-More on Mass Defect and Binding Energy
    4. 2-More on Mass Defect and Binding Energy
      1848 views
      5. Problem1-Mass Defect and Binding Energy
    5. Problem1-Mass Defect and Binding Energy
      1629 views
      21.6: Radioactivity (Practice Test)
      Radioactivity
    1. Radioactivity
      12111 views
      2. Radioactivity
    2. Radioactivity
      4776 views
      3. Alpha Emission
    3. Alpha Emission
      4642 views
      4. Beta Emission
    4. Beta Emission
      3813 views
      21.7: Laws of Radioactivity Decay (Practice Test)
      Spontaneous Disintegration
    1. Spontaneous Disintegration
      6265 views
      2. Laws of Radioactive decay
    2. Laws of Radioactive decay
      2521 views
      3. 1-More on Laws of Radioactive decay
    3. 1-More on Laws of Radioactive decay
      1499 views
      4. 2-More on Laws of Radioactive decay
    4. 2-More on Laws of Radioactive decay
      835 views
      5. Radioactive Decay
    5. Radioactive Decay
      9217 views
      6. Half Life
    6. Half Life
      5820 views
      7. More on Half Life-1
    7. More on Half Life-1
      3958 views
      8. More on Half Life-2
    8. More on Half Life-2
      1800 views
      9. Problem1-Half Life
    9. Problem1-Half Life
      1595 views
      21.8: Nuclear Reactions (Practice Test)
      Problem3-Nuclear Changes and The Conservation Laws
    1. Problem3-Nuclear Changes and The Conservation Laws
      6157 views
      2. Nuclear Reactions
    2. Nuclear Reactions
      2695 views
      3. Nuclear Reactors
    3. Nuclear Reactors
      1853 views
      4. Nuclear Changes and Conservation Laws
    4. Nuclear Changes and Conservation Laws
      1114 views
      5. More on Nuclear Changes and The Conservation Laws
    5. More on Nuclear Changes and The Conservation Laws
      776 views
      6. Problem1-Nuclear Changes and The Conservation Laws
    6. Problem1-Nuclear Changes and The Conservation Laws
      630 views
      7. Problem2-Nuclear Changes and The Conservation Laws
    7. Problem2-Nuclear Changes and The Conservation Laws
      569 views
      21.9: Nuclear Fission (Practice Test)
      Problem-Fission Reaction
    1. Problem-Fission Reaction
      5736 views
      2. Nuclear Fission
    2. Nuclear Fission
      3294 views
      3. More on Nuclear Fission-1
    3. More on Nuclear Fission-1
      2586 views
      4. More on Nuclear Fission-2
    4. More on Nuclear Fission-2
      5161 views
      21.10: Nuclear Fusion (Practice Test)
      Nuclear Fusion Reaction
    1. Nuclear Fusion Reaction
      5713 views
      2. Fusion Reaction
    2. Fusion Reaction
      2993 views
      21.11: Energy Generation in Sun and Stars (Practice Test)
      More on Fusion Reaction
    1. More on Fusion Reaction
      3099 views
      2. Fusion and Stellar Energy
    2. Fusion and Stellar Energy
      2204 views
      3. More on Fusion and Stellar Energy
    3. More on Fusion and Stellar Energy
      4858 views
      4. Nuclear Reactor
    4. Nuclear Reactor
      3546 views
      5. More on Nuclear Reactor-1
    5. More on Nuclear Reactor-1
      2679 views
      21.12: Nuclear Radiations (Practice Test)
      Nature and Properties of Radiations
    1. Nature and Properties of Radiations
      5987 views
      2. Interaction of Radiation With Matter
    2. Interaction of Radiation With Matter
      6619 views
      3. Interaction of Alpha Particles With Matter
    3. Interaction of Alpha Particles With Matter
      2620 views
      4. More on Interaction of Alpha Particles With Matter
    4. More on Interaction of Alpha Particles With Matter
      4110 views
      5. Interaction of Beta Particles With Matter
    5. Interaction of Beta Particles With Matter
      4227 views
      6. Interaction of Gamma Rays With Matter
    6. Interaction of Gamma Rays With Matter
      2612 views
      7. More on Interaction of Gamma Rays With Matter
    7. More on Interaction of Gamma Rays With Matter
      3195 views
      21.13: Radiation Detectors (Practice Test)
      The Geiger-Muller (G-M) Tube
    1. The Geiger-Muller (G-M) Tube
      4492 views
      2. Radiation Detectors
    2. Radiation Detectors
      22687 views
      3. Wilson Cloud Chamber
    3. Wilson Cloud Chamber
      11322 views
      4. More on Wilson Cloud Chamber
    4. More on Wilson Cloud Chamber
      41047 views
      5. Geiger-Muller Counter
    5. Geiger-Muller Counter
      28487 views
      6. 1-More on Geiger-Muller Counter
    6. 1-More on Geiger-Muller Counter
      17424 views
      7. 2-More on Geiger-Muller Counter
    7. 2-More on Geiger-Muller Counter
      14996 views
      8. Solid State Detector
    8. Solid State Detector
      8604 views
      9. The Deuteron
    9. The Deuteron
      3339 views
      10. Radiation Exposure
    10. Radiation Exposure
      1865 views
      21.14: Radiation Damage (Practice Test)
      More on Radiation Exposure
    1. More on Radiation Exposure
      4331 views
      2. Biological Effects of Radiation
    2. Biological Effects of Radiation
      2367 views
      3. More on Biological Effects of Radiation
    3. More on Biological Effects of Radiation
      1162 views
      4. More on Mass Spectrograph
    4. More on Mass Spectrograph
      1204 views
      5. Protection from Radiation
    5. Protection from Radiation
      2464 views
      6. Biological and Medical uses of Radiation
    6. Biological and Medical uses of Radiation
      1762 views
      7. Radiation Therapy and Diagnostics
    7. Radiation Therapy and Diagnostics
      1307 views
      8. Treatment of Cancer
    8. Treatment of Cancer
      634 views
      9. Chemical Reactions Induced by Radiations
    9. Chemical Reactions Induced by Radiations
      449 views
      10. Radio Processes in Space, the Cosmic Rays
    10. Radio Processes in Space, the Cosmic Rays
      1035 views
      11. Polymerisation, Sterilization and Food Preservation
    11. Polymerisation, Sterilization and Food Preservation
      865 views
      12. Gauging, Control and Radiography
    12. Gauging, Control and Radiography
      1122 views
      13. Radiation Methods in Archaeology
    13. Radiation Methods in Archaeology
      830 views
      14. Uses of Laser in Medicine and Industry
    14. Uses of Laser in Medicine and Industry
      4014 views
      15. Basic Forces of Nature
    15. Basic Forces of Nature
      2017 views
      16. More on Basic Forces of Nature
    16. More on Basic Forces of Nature
      4285 views
      17. Building Blocks of Matter
    17. Building Blocks of Matter
      2746 views