Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Hard-Class 12
In the diagram shown above, which condition must be satisfied for total internal reflection to occur?
A
The angle of incidence must be greater than the critical angle.
B
The angle of refraction must be greater than the critical angle.
C
The angle of incidence must be equal to the angle of refraction.
D
The angle of refraction must be less than the angle of incidence.
Correct Answer
Option A
Detailed Explanation
Total internal reflection occurs when the angle of incidence is greater than the critical angle, as stated in the NCERT context regarding the critical angle and refraction in a rarer medium.
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