The phenomenon of spontaneous emission of highly penetrating radiations from heavy elements occurring in nature is called natural radioactivity. This note provides us an information on radioactive radiations.
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The spontaneous breaking of a nucleus is known as radioactive disintegration. This note provides us an information on laws of radioactive disintegration and half life.
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The isotopes of an element which are also radioactive are called radioactive isotopes or simply radioisotopes.This note provides us an information on Geiger Muller tube and radio carbon dating.
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