Question

5 2. A light ray strikes a plane mirror at an angle of 25° from the mirror surface. What is the value of angle of incidence?​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

From the definition of angle of incidence which defines that it is the angle between the normal and incident ray.So the angle of incidence will be 65 degree

Explanation:

The light ray strikes the plane mirror at 25 degree is given.We know that the angle between the normal and reflecting surface of the mirror is 90 degree.From the definition of angle of incidence which defines that it is the angle between the normal and incident ray.So the angle of incidence will be 65 degree.]

The angle of reflection will also be equal to twenty five degrees because according to the laws of reflection the angle of incidence is equal to angle of reflection.

The second law of reflection states that the incident ray, the normal and the reflected ray all lie on the same plane.