Optics Question 778

Question: Speed of light is maximum in

[CPMT 1990; MP PMT 1994; AFMC 1996]

Options:

A) Water

B) Air

C) Glass

D) Diamond

Show Answer

Answer:

Correct Answer: B

Solution:

$ v\propto \frac{1}{\mu } $ , m is smaller for air than water, glass and diamond.



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