Q 1135756662.     To determine the half life of a radioactive element, a student plots a graph of `ln|(dN(t))/dt|` versus `t.` Here `(dN(t))/dt` is the rate of radioactive decay at time `t.` If the number of radioactive nuclei of this element decreases by a factor of `p` after `4.16` years, the value of `p` is

JEE 2010 Mains
A

`5`

B

`6`

C

`7`

D

`8`

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