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Half-life of a radioactive nuclide is the time taken for half the nuclei of that nuclide in any sample to decay.
(time taken for the count rate/mass/nuclei/atoms to fall to half of its original value)
Quick revision on half-life. 2002SPP1Q19, 2003SPP1Q19, 2006SPP1Q20, 2004SPp1Q19
Questions:
Answer: Option C
Answer: Option C
Answer: Option C
Answer: Option C
Answer: Option D
Answer: Option C
Answer: Option C
Answer: Option B
Answer: Option D
Answer: Option D
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