Optics Question 101
Question: A ray of light travels from an optically denser to rarer medium. The critical angle for the two media is C. The maximum possible deviation of the ray will be
[KCET (Engg./Med.) 2002]
Options:
A)
B) 2C
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
When the ray passes into the rarer medium, the deviation is
This can have a maximum value of
When total internal reflection occurs, the deviation is
The maximum value of
