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A sample of radioactive element containi...

A sample of radioactive element containing `4 xx 10^16` active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days : -

A

`0.5 xx 10^(16)`

B

`2 xx 10^(16)`

C

`3.5 xx 10^(16)`

D

`1 xx 10^(16)`

Text Solution

Verified by Experts

The correct Answer is:
C
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