Question

state True or false

1.During refraction of light through the glass slab, incident say and emergent perpendicular
to each other.
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Answer 1

Answer:

when the incident Ray enters the glass slab it bents towards the normal as glass slab is denser than air . And when the Ray enters air again it bents away from the normal and parallel to the incident ray

Explanation:

Answer 2

Answer:

When the incident ray enters the glass slab it bents towards the normal as glass slab is denser than air. And when the Rays enters air bents away from the normal and parallel to the incident ray.