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Validating the Bohr's Model

The radius of...

Question

The radius of nucleus varies with mass no. as $A^{1 / n}$ . The value of $n$ is :

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Solution

$R = R_{0} {(A)}^{1 / 3}$ where $R_{0}^{-} = 1.2 \times 10^{- 15} m$
Thus $R \propto A^{1 / 3}$
Hence $n = 3$

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