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Compare the radii of the nuclei of mass ...

Compare the radii of the nuclei of mass numbers 27 and 64.

Text Solution

Verified by Experts

`A_(1)=27, A_(2)=64`
`(R_(1))/(R_(2))=[(A_(1))/(A_(2))]^(1//3) [because R=R_(0)A^(1//3)]`
`(R_(1))/(R_(2))=[(27)/(64)]^((1)/(3))=(3)/(4)`
`therefore R_(1) : R_(2) = 3 : 4`
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