Question:
Q 18 4 1 00 14 One of the refracting surfaces of a prism of
Last updated: 6/10/2023
Q 18 4 1 00 14 One of the refracting surfaces of a prism of angle 30 is silvered A ray of light 3 incident at an angle of 60 retraces its path The refractive index of the material of prism is