Optics Question 527

Question: When light wave suffers reflection at the interface from air to glass, the change in phase of the reflected wave is equal to

[CPMT 1991; J & KCET 2004]

Options:

A) 0

B) $ \frac{\pi }{2} $

C) $ \pi $

D) $ 2\pi $

Show Answer

Answer:

Correct Answer: C

Solution:

When light is reflected from denser medium, a phase difference of $ \pi $ always occurs.



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