A beam of light composed of red and green rays is incident obliquely at a point on the face of a rectangular glass slab. When coming out on the opposite parallel face, then the red and green rays emerge from
Text Solution
Verified by ExpertsWe know that, in any medium except vacuum or air, then the velocities of different colours are different. Therefore, both red and green colours are refracted at different angles of refraction. So, after emerging from rectangular glass slab through opposite parallel faces, they appear at two different points and move in two different parallel directions.
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