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Half life period of radium is 1600 years...

Half life period of radium is `1600` years. `2 gm` of radium undergoes decay and gets reduced to `0.125 gms` in

A

`3200` years

B

`25600` years

C

`8000` years

D

`6400` years

Text Solution

Verified by Experts

The correct Answer is:
D

`N=N_(0)e^(-lambda t)`
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