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Half life of a radio active element is 5...

Half life of a radio active element is `5 min`. `10 sec`. Time taken for `90%` of it to disintergrate is nearly

A

`100 min`

B

`1000 sec`

C

`10^(4) sec`

D

`10^(4) min`

Text Solution

Verified by Experts

The correct Answer is:
B
`t=(t_(1/(2)))/(log 2) log((N_(0))/(N))`
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