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
Text Solution
Verified by ExpertsThe correct answer is:
B
: The velocitiesof different colours is different in a given medium. Red and green are refracted at different angle of refraction.
(i)
(ii)
(iii)
From equations (i), (ii) and (iii), we get
Thus two point propagation in two different parallel direction.
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