1.

Refractive index of a rectangular glass slab is μ=√3. A light ray incident at an angle 60∘ is displaced laterally through 2.5 cm. Distance travelled by light in the slab is

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Refractive index of a rectangular glass slab is μ=3. A light ray incident at an angle 60 is displaced laterally through 2.5 cm. Distance travelled by light in the slab is



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