Optics Question 964

Question: The wavelength of light in two liquids ‘x’ and ‘y’ is 3500AA and 7000AA , then the critical angle of x relative to y will be

Options:

A) 60

B) 45

C) 30

D) 15

Show Answer

Answer:

Correct Answer: C

Solution:

The critical angle C is given by sinC=n2n1=λ1λ2=35007000=12

Therefore C=30o



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