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Question: 16 gm sample of a radioactive element is taken from Bombay to Delhi in 2 hour and it was found that 1 gm of the element remained (undisintegrated). Half life of the element is

1) 2 hour

2) 1 hour

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

4) $\frac{1}{4}hour$

Solution:

Explanation: No Explanation

Radioactivity Modern Physics

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