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The half-life of ""^(215)At is 100mus ....

The half-life of `""^(215)At` is `100mus` . Find the time taken for the radioactivity of a sample of `""^(215)` At to decay to `1/(16)th` of its initial value:

A

`400mus`

B

`6.3mus`

C

`40mus`

D

`300mus`

Text Solution

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The correct Answer is:
A
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