An equilateral triangular prism is made of glas u 1 5 A ray

Last updated: 6/7/2023

An equilateral triangular prism is made of glas u 1 5 A ray of light is incident normally on on of the faces The angle between the incident ar emergent ray is clos telolv er 1011 1 60 Teoloo ben 2 90 3 120 en 4 180