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Questions  

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 

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

detailed solution

Correct option is B

Angle of refraction will be different, due to which red and green emerge from different points and will be parallel.

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Light propagates x cm distance in a medium of refractive index μ  in time t0. In the same time t0, light propogates a distance of x6  cm in a medium of refractive index μ1 . If μ1=kμ , find the value of k.


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