Question

what is emergent ray n what is angle of emergence

Answer 1

emergent ray-a ray of light which emerges out from another optical medium, into the original optical medium. angle of emergence-the angle that the emergent ray makes with the normal

Answer 2

Emergent ray is the ray that comes out of a refracting medium. The angle made by the emergent ray with the normal to the surface is called angle of emergence. BC is the emergent ray in prism and the glass slab and e is the angle of emergence.