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The half-life period of a radioactive el...

The half-life period of a radioactive element X is same as the mean-life time of another radioactive element Y. Initially both of them have the same number of atoms then :

A

X and Y have the same decay rate initially

B

X and Y have the same decay rate always

C

Y will decay at a faster rate than X

D

X will decay at a faster rate than Y

Text Solution

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The correct Answer is:
C
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