A ray of light enters a slab of material with increasing refractive index. Four possibilities of the trajectory of the ray are shown below. The correct choice is:
A
A
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B
B
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C
C
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D
D
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Solution
The correct option is D C According to definition:The refraction of light when it passes from a rare to a denser medium bends the light ray toward the normal and vice versa,but case A,B,D does not follow the same but C does. Hence, the correct choice is C.