The radius of a nucleus of a mass number $A$ is directly proportional to
${A^3}$
$A$
${A^{2/3}}$
${A^{1/3}}$
(d) $R = R_0$ $A^{1/3}$ ==>$R \propto A^{1/3}$.
Show that the volume of nucleus is proportional to its atomic mass number.
A nucleus has mass number $A_1$ and volume $V_1$.
Another nucleus has mass number $A_2$ and volume $V_2$. If relation between mass number is $A_2=4 A_1$, then $\frac{V_2}{V_1}=$_____.
In the nucleus of ${ }_{11} N a^{23}$, the number of protons, neutrons and electrons are
Choose the correct statement
Briefly explain the discovery of neutrons and how can it be demonstrated ?
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