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The nucleus of an atom can be assumed to...

The nucleus of an atom can be assumed to be spherical. The radius of the nucleus of mass number-A is given by `(1.25xx10^(-13))`cm. Radius of atom is one A. If the mass number is 64 then the fraction of the atomic volume that is occupied by the nucleus is

A

`1xx10^-3`

B

`5xx10^-5`

C

`2.5xx10^-2`

D

`1.25xx10^-13`

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The correct Answer is:
D
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