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(87)^(223) Ra is a radioactive substance...

`_(87)^(223) `Ra is a radioactive substance having half life of `4` days Find the problability that a nucleas undergoes after two half lives

A

`1`

B

`(1)/(2)`

C

`(3)/(4)`

D

`(1)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
For a nucleus to disintegrate in two half life , the probability is `(3)/(4) ` as `75% `of the nucleus will disintegrate in this time
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