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After tow hours, the ratioactive substance becomes 1/16th of original amount

After tow hours, the ratioactive substance becomes 1/16th of original amount. Then the half -life (in min) is

Options

(a) 60 min
(b) 120 min
(c) 30 min
(d) 15 min

Correct Answer:

30 min

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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