Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Medium-Class 12
Consider a diagram showing the reflection of a plane wave AB by a reflecting surface MN as described in the NCERT Wave Optics chapter. If AB is the incident wavefront and CE is the reflected wavefront, which of the following statements about the angles i and r is correct?
A
Angles i and r are equal due to the law of reflection.
B
Angles i and r are equal only if the surface MN is perfectly smooth.
C
Angles i and r are equal only if the wavefronts are parallel.
D
Angles i and r are equal only for monochromatic light.
Correct Answer
Option A
Detailed Explanation
The law of reflection states that the angle of incidence (i) is equal to the angle of reflection (r), which is illustrated by the congruent triangles EAC and BAC in the diagram.
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