There is a prism with refractive index equal to 2 and the

Last updated: 6/24/2023

There is a prism with refractive index equal to 2 and the refracting angle equal to 30 One of the refracting surfaces of the prism is polished A beam of monochromatic light will retrace its path if its angle in degree of incidence over the refracting surface of the prism is