Optics Question 755

Question: Absolute refractive indices of glass and water are 32 and 43 . The ratio of velocity of light in glass and water will be

[UPSEAT 1999]

Options:

A) 4 : 3

B) 8 : 7

C) 8 : 9

D) 3 : 4

Show Answer

Answer:

Correct Answer: C

Solution:

v1μ

v1v2=μ2μ1vgvw=μwμg=4/33/2=89



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