NEET 2022, Physics Q45: Nuclear Forces and Nuclear Energy

NEET2022Physics

A nucleus of mass number 189 splits into two nuclei having mass number 125 and 64. The ratio of radius of two daughter nuclei respectively is:

Solution

Nuclear radius scales with mass number as $R = R_{0} A^{1/3}$ .

$\frac{R ( 125 )}{R ( 64 )} = \frac{( 125 ) ^{1/3}}{( 64 ) ^{1/3}} = \frac{5}{4}$ .

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