Optics Question 710

Question: A monochromatic beam of light passes from a denser medium into a rarer medium. As a result

[CPMT 1972]

Options:

A) Its velocity increases

B) Its velocity decreases

C) Its frequency decreases

D) Its wavelength decreases

Show Answer

Answer:

Correct Answer: A

Solution:

$ v\propto \frac{1}{\mu },{\mu _{rarer}}<{\mu _{denser}} $



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