Question

what's emergent ray​

Answer 1

Answer:

Emergent ray is the ray which emerges at the source of light. incident ray is an acronym of emergent ray. it is a light which leaves a medium. The light rays which are emitted by the source of light be it a bulb or a natural source like sun or any other device such as a laser.

Answer 2

Answer:

Hey mate here is the simplest answer for you,

The ray that comes out of a refracting medium and whick emerges at a source of light is known as emergent ray.

Hope it helps you.