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Questions  

A ray of light is incident upon a parallel sided transparent slab of thickness 9 cm at an angle of incidence 600 .  If the angle of refraction is 300 , the lateral displacement of the light ray is

a
3  cm
b
33 cm
c
3 cm
d
23 cm

detailed solution

Correct option is B

latreal shift x = t sini-rcos r  here t= 9 cm, i=600 and r=300

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