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The half - life of ^(215) At is 100 mu ,...

The half - life of `^(215) At` is `100 mu , s.`The time taken for the radioactivity of a sample of `^(215) At` to decay to `1//16^(th)` of its initially value is

A

`400 mu s`

B

`6.3 mu s`

C

`40 mu s`

D

`300 mu s`

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The correct Answer is:
A
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RESONANCE-NUCLEAR PHYSICS-Exercise 2 Part-1 Only one option correct type
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  7. Consider a sample of a pure beta-active material

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  10. Free ^238 U nuclei kept in a train emit alpha particles. When the trai...

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  11. A nucleus with mass number 220 initially at rest emits an alpha-partic...

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