Optics Question 970
Question: Critical angle is that angle of incidence in the denser medium for which the angle of refraction in rarer medium is
[MP PMT 1996]
Options:
A) $ 0{}^\circ $
B) $ 57{}^\circ $
C) $ 90{}^\circ $
D) $ 180{}^\circ $
Show Answer
Answer:
Correct Answer: C
Solution:
$ 90{}^\circ $