8 If a parallel beam of light of circular cross section

Last updated: 6/20/2023

8 If a parallel beam of light of circular cross section having radius 10 mm falls on the surface of glass sia 3 2 U at an angle 30 with the surface of slab then the radius of refracted beam is about 1 12 5 mm 14 5 mm 2 13 7 mm 416 2 mm