Question

What are the angle of incidence and angle of reflection (θi and θr)?

Answer 1

Answer:

The law of reflection states that the angle of reflection equals the angle of incidence—θr = θi. The angles are measured relative to the perpendicular to the surface at the point where the ray strikes the surface.

Explanation:

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Answer 2

Answer:

Angle of reflection: The angle made by a reflected ray with the perpendicular to the, reflecting surface.

Angle of incidence : The angle which an incident line or ray makes with a perpendicular to the surface at the point of incidence.