Optics Question 741

Question: A mark at the bottom of a liquid appears to rise by 0.1 m. The depth of the liquid is 1 m. The refractive index of the liquid is

[CPMT 1999]

Options:

A) 1.33

B) 910

C) 109

D) 1.5v

Show Answer

Answer:

Correct Answer: C

Solution:

Real depth = 1

m Apparent depth = 1−0.1=0.9

m Refractive index μ = Real depthApparent depth=10.9=109

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