Question

when a ray of light passes through a rectangular glass block, the direction of emergent ray is ________ to incident ray. fill in the blanks​

Answer 1

Answer:

In case of a rectangular glass slab, emergent rays of light are always parallel to the direction of incident rays. When a light ray passes through a prism, it bends towards the base of the prism. Hence, incident ray and emergent ray are not parallel to each other as they are in case of a glass slab.

Explanation:

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Answer 2

Answer:

Parallel

Explanation:

when a ray light passes through a rectangular glass block, the direction of emergent ray is parallel to incident ray