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Question 5A light ray enters from medium A to medium B as shown in figure. The refractive index of medium B relative to A will be:(a) greater than unity(b) less than unity(c) equal to unity(d) zero

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Question 5

A light ray enters from medium A to medium B as shown in figure. The refractive index of medium B relative to A will be:





(a) greater than unity

(b) less than unity

(c) equal to unity

(d) zero





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