NEET2019Physics-Optics
NEET 2019 Physics Total Internal Reflection MCQ Question
Type: MCQ-conceptual-Easy-Class 12
In total internal reflection when the angle of incidence is equal to the critical angle for the pair of media in contact, what will be angle of refraction?
A
equal to angle of incidence
B
90°
C
180°
D
0°
Correct Answer
Option B
Detailed Explanation
At the critical angle, the angle of refraction is 90°, which means the refracted ray travels along the boundary between the two media.
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