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KVPY SA Exam 19-Nov-2017 Question Paper

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Question : 68

Total: 80

A ray of light originates from inside a glass slab and is incident on its inner surface at an angle θ as shown,

In this experiment the location x of the spot where the ray hits the screen is recorded. Which of the following correctly shows the plot of variation of x with the angle θ ?

A
B
C
D

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