Physics q254

0. In an experiment with a rectangular glass slab, for an angle of incidence of 60° in air, angle of refraction is measured to be r₁. When the glass slab is replaced by a hollow slab filled with water, angle of refraction is measured to be r₂. Then
[Given: μ_water = 1.33, μ_glass = 1.5] (NTSE Chandigarh, Stage-I, 2014-15)

Answer
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Option : B
Explanation :

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