A beam of light composed of red and green ray is incident obliquely at a point on the face of rectangular glass slab. When coming out on the opposite parallel face. the red and green ray emerge from
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a
Two points propagating in two different directions
b
Two points propagating in two parallel directions
c
One point propagating in two different directions
d
One point propagating in the same directions
answer is B.
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Detailed Solution
Angle of refraction will be different, due to which red and green emerge from different points and will be parallel.