The radius of a spherical nucleus as measured by electron scattering is 3.6 fm . What is the mass nu

Question

The radius of a spherical nucleus as measured by electron scattering is 3.6 fm . What is the mass number of the nucleus most likely to be?

Professor PC Thomas Classes · Answer

(a) : Nuclear radius, $R=R_0(A)^{1 / 3}$ where $A$ is the mass number of a nucleus. Given, $R=3.6 \mathrm{fm}$ \ $ 	herefore 3.6 \mathrm{fm}=(1.2 \mathrm{fm})\left(A^{1 / 3}ight) \quad\left[\because R_0=1.2 \mathrm{fm}ight] $ or $\quad A=(3)^3=27$