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}} $
