JKSSB Mock Tests

Total internal reflection can only occur when light travels from a:

A. rarer to a denser medium
B. denser to a rarer medium
C. vacuum to a glass medium
D. medium of any optical density to another
Answer: Option B
Solution (By JKSSB Mock Tests Team)
TIR requires light to bend away from the normal, which only happens when entering an optically rarer medium.
This Question Belongs to: General science Physics set 1
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