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The count rate of a radioactive sample w...

The count rate of a radioactive sample was 1600 count/s at t=0 and 100 count/s at t=8s.Select the correct option.

A

Its count rate was 200 counts at t=6 s

B

Its count rate was 200 counts at t=4 s

C

Half life of the sample is 4s

D

Mean life of the sample is 2.88 s

Text Solution

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The correct Answer is:
A, D
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