Questions
A ray of light refracts from medium 1 into a thin layer of medium 2, crosses the layer and is incident at the critical angle on the interface between the medium 2 and 3 as shown in the figure. If the angle of incidence of ray is , the value of is :
detailed solution
Correct option is C
μ2μ1=sin isin r ; 1.61.8=sin θsin r sin r=1618sin θ ; r=c ; 1.31.8=1618sin θ θ=sin-11316Talk to our academic expert!
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A vessel is half filled with a liquid of refractive index μ. The other half of the vessel is filled with an immiscible liquid of refractive index 1.5 μ. The apparent depth of vessel is 50% of the actual depth. The value of μ is
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