122 A parallel beam of light travelling in water refractive

Last updated: 6/25/2023

122 A parallel beam of light travelling in water refractive index 4 3 is refracted by a spherical air bubble of radius 2cm situated in water Assuming the light rays to be paraxial the position of the image due to refraction at the first surface is A 6cm from the first surface B 12 cm from the first surface C 3cm from the first surface D 10 cm from the first surface