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Activity of a radioactive element is 103 dis/sec. Its half life is 1 sec. After 3 sec. its activity will be :-

Activity of a radioactive element is 103 dis/sec. Its half life is 1 sec. After 3 sec. its activity will be :-

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Grade:12th pass

1 Answers

Khimraj
3007 Points
5 years ago
Activity after n half life is given by A` = A/2ⁿ so after 3 half life activity will be 1000/8 = 125 Dis/sec. Hope it clears. Please if u like answer then approve the answer.

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