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A uniform,horizontal beam of light is in...

A uniform,horizontal beam of light is incident upon a quarter cylinder of radius`R=5`cm and has a refractive index `2//sqrt(3)`.A patch on the table for a distance `'x'`from the cylinder is unilluminated ,find the value of `'x'`?

A

7.2 cm

B

12.5 cm

C

5 cm

D

10 cm

Text Solution

Verified by Experts

The correct Answer is:
C
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