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Question

# In the figure shown μ1, μ2, μ3, μ4 and μ5 are the refractive indices of the mediums 1, 2, 3, 4 and 5 respectively.Consider the following1. μ1 = μ22. μ3 = μ4 = μ53. μ2 < μ34. μ4 > μ5Which of the relations of refractive indices are correct?

A
1 and 2
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B
1, 2 and 3
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C
1 and 3
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D
Only 1
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Solution

## The correct option is C Only 1When a ray of light travels from a medium to another medium having different refractive index, the ray bends. Since in the above figure, ray of light passes through the first lens without deflection, this means that μ1=μ2.

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