Question

What is the angle of incidence of a ray if the reflected ray is at an angle of 120° to the incident ray?​

Answer 1

Answer:

The answer is 30°. Explanation: If we consider the surface is flat surface (ideal), then total angle is 180°. Then if the angle between the Incident Ray and Reflected Ray is 120° then we are left with (180° - 120°) = 60°.

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Answer 2

Answer:

the ray of light coming from an objects that falls on the surface of the mirror is called incident rays

Explanation: