For a prism, the angle of the prism is $60^{\circ}$ and the refractive index is $\sqrt{\frac{7}{3}}$. The…
For a prism, the angle of the prism is $60^{\circ}$ and the refractive index is $\sqrt{\frac{7}{3}}$. The minimum possible angle of incidence so that the light ray is refracted from the second surface is