Question

The angle between incident ray and reflected ray is 60°. What is the angle of incidence?

Answer 1

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Angle of incidence is 30°. 30 degrees. This is because "the angle between incident ray and reflected ray" actually means, angle of incidence+angle of reflection. Since angle of incidence=angle of reflection,angle of incidence =(60/2)=39.

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Answer 2

QUESTION :-

The angle between incident ray and reflected ray is 60°. What is the angle of incidence?

ANSWER :-

$\longrightarrow$ 30°

SOLUTÍON :-

Since the normal bisects the angle between the incident ray and reflected ray.

So, angle between the incident ray and the normal

i = 60/2 = 30°