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To determine the half life of a radioact...

To determine the half life of a radioactive element , a student plot a graph of in `|(dN(t))/(dt)|` versus `t` , Here `|(dN(t))/(dt)|` is the rate of radiation decay at time t , if the number of radioactive nuclei of this element decreases by a factor of p after `4.16 `year the value of p is

A

8

B

7

C

4

D

8.5

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The correct Answer is:
A
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