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The masses of two radioactive substances are same and their half lives

The masses of two radioactive substances are same and their half lives are 1 year and 2 years respectively. The ratio of their activities after 6 years will be

Options

(a) 1 : 3
(b) 1 : 6
(c) 1 : 4
(d) 1 : 2

Correct Answer:

1 : 4

Explanation:

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

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