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1 mg redium has 2.68xx10^18 atoms. Its h...

1 mg redium has `2.68xx10^18` atoms. Its half life is 1620 years. How many radium atoms will disintegrate from 1 mg of pure radium in 3240 years ?

A

`2.01xx10^(9)`

B

`2.01xx10^(8)`

C

`1.01xx10^(9)`

D

`1.01xx10^(8)`

Text Solution

Verified by Experts

The correct Answer is:
B
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