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The half - life of .(92)U^(238) against ...

The half - life of `._(92)U^(238)` against `alpha - decay` is `4.5 xx 10^(9)` years. How many disintegrations per second occur in 1 g of `._(92)U^(238)` ?

A

`9.0xx10^(9)` years

B

`13.5 xx 10^(9)` years

C

`4.5 xx 10^(9)` years

D

`4.5xx 10^(4.5)` years

Text Solution

Verified by Experts

The correct Answer is:
C
`4.5xx10^(9)` years as it is the half life of `""_(92)U^(238)`
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