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Question: A sample contains 16 gm of a radioactive material, the half life of which is two days. After 32 days, the amount of radioactive material left in the sample is

1) Less than 1 mg

2) $\frac{1}{4}gm$

3) $\frac{1}{2}gm$

4) 1 gm

Solution:

Explanation: No Explanation

Radioactivity Modern Physics

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