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.
