Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A ray of ligh is incident at an angle of incidence 
on the glass slab of refractive index 
. After refraction, the light ray emerges out from other parallel faces and lateral shift between incident ray and emergent ray is 
. The thickness of the glass slab is 
.
Text Solution
Verified by ExpertsThe correct answer is:
12
(12)
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