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Question 20196
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Ray Optics: Mirror — Angle of Reflection MCQ

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Mirror — Angle of ReflectionEasyQuestion 20196

Question

The law of reflection states that the angle of incidence equals the angle of reflection, both measured from:
  1. A
    The mirror surface
  2. B
    The normal to the mirror surface
    Correct
  3. C
    The incident ray direction
  4. D
    The horizontal

Correct answer

The normal to the mirror surface

Explanation

Both angles are measured from the normal at the point of incidence. The incident ray, reflected ray, and normal are all in the same plane.

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