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Question: Answered & Verified by Expert
A ray of light is incident normally on a plane mirror. The angle of reflection will be
PhysicsRay OpticsAP EAMCETAP EAMCET 2020 (22 Sep Shift 2)
Options:
  • A $0^{\circ}$
  • B $90^{\circ}$
  • C will not be reflected
  • D $60^{\circ}$
Solution:
2873 Upvotes Verified Answer
The correct answer is: $0^{\circ}$
When a ray of light incident normally on a plane mirror, then angle of incidence , $i=0^{\circ}$


Hence, angle of reflection, $r=i=0^{\circ}$.

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