Radioactivity

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    Chapter 18 Radioactivity ( 24 videos)  (Practice Test)

      18.1: Atom and Atomic Nucleus
      18.2: Natural Radioactivity (Practice Test)
      18.3: Background Radiations
      18.4: Nuclear Transmutations (Practice Test)
      18.6: Radioisotope and their Uses (Practice Test)
      18.9: Hazards of Nuclear Radiation
      18.10: Safety Measures