Question

what is emergent ray ?​

Answer 1

Answer:

When a reflected ray moves out of a glass slab, the reflected ray becomes an emergent ray and it moves away from normal and is parallel to the incident ray. This diagram represents how light ray moves in a glass slab and how an emergent ray is formed.

Answer 2

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When a reflected ray moves out of a glass slab, the reflected ray becomes an emergent ray and it moves away from normal and is parallel to the incident ray. This diagram represents how light ray moves in a glass slab and how an emergent ray is formed.