Question

On moving plane mirror the angle of incidence is 60 find angle of reflection

Answer 1

$\textbf{\huge{ANSWER:}}$

The ray falling on the plane is referred to as the incident ray.

The reflected ray is referred to as reflected ray.

The perpendicular line on the plane which is draw in from the point of intersection of the incident and the reflected ray is referred to as normal.

The angle which the incident ray makes with the normal is called as the angle of incidence.

The angle which the reflected ray makes with the normal is called as the angle of reflection.

$\textbf{According to the Laws of Reflection:}$

1. The incident ray, the reflected ray and the normal to the reflection surface at the point of the incidence lie in the same plane.

2. The angle which the incident ray makes with the normal is equal to the angle which the reflected ray makes to the same normal.

3. The reflected ray and the incident ray are on the opposite sides of the normal.

Now, if we see, According to the $\textbf{second Law of Reflection}$, the angle of incidence is equal to the angle of reflection.

Therefore, if we are given that the angle of incidence = 60°

Then, angle of reflection = 60°

This was due to the 2nd Law of Reflection.

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