Question

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Answer 1

in fig A is emergent ray

in fig 2 R is called refracted ray

fig 3 R iss refracted ray

explanation

**when a ray of light passes through glass slab

it is laterally displaces downward from a actual point

**when a ray of light goes rarer to denser it bends

towards the normal

**when ray of light goes denser to rarer it bends away from the normal

i hope it helps

Answer 2

Answer:

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