Question

Angle between incident ray and reflected ray from plane mirror is 60°. Find the angle at which the incident ray strikes the mirror.

Answer 1

Answer:

The Law of Reflection is based on the predictable behavior of light when it strikes smooth conducting surfaces, such as mirrors or polished metal. The law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane. Furthermore, the angle of reflection r is equal to the angle of incidence i. Both angles are measured with respect to the normal to the mirror.

Now since angle i and angle r are equal, so the angle between the incident ray and the reflected ray is i+r. Since the angle between a reflected ray and incident ray is 60°,therefore the angle of incidence and the angle of reflection equal 30°each.

Answer 2

Answer:

30°

Explanation:

Angle of incidence= angle of reflection.

So, if their total is 60° then 1/2 of it will be the magnitude of each of them

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