A ray of light AO in vacuum is incident on a glass slab at

Last updated: 6/12/2023

A ray of light AO in vacuum is incident on a glass slab at angle 60 and refracted at angle 30 along OB as shown in the figure The path length of light ray from A to S O o Varuum glass 2 3 a O2a O2a 2b Alm 2b 3 O2a 2b