Quiz on Mirrors part 1

When the reflected light ray falls on another reflecting surface, it is called.......

• the light reflection.

• the reflected light ray.

• the angle of incidence.

• the incident light ray.

The straight line that passes by the pole of the mirror and its centre of curvature expresses the.......

• pole of the mirror.

• secondary axis of the mirror.

• principal axis of the mirror.

• centre of curvature.

The parallel rays that are incident on the plane mirror are reflected back as .......... rays.

• diverging

• converging

• parallel

• collecting

The Romans use a huge optical piece to burn the sails of enemies' ships by using the Sun rays. What is the suitable optical piece to do that?

• Convex mirror.

• Concave mirror.

• Plane mirror.

If the light ray falls passing through the focus of the concave mirror, it will.......

• reflect parallel to the principal axis.

• reflect back on itself.

• reflect through the centre of curvature.

• reflect through the pole.

When the object is placed at the centre of curvature of a concave mirror the formed image is real, inverted and......

• magnified.

• diminished.

• equal.

The bouncing off the light ray in the same medium when it meets a reflecting surface is the.......

• incident ray.

• reflected ray.

• light reflection phenomenon.

• light separation phenomenon

If a light ray falls on a reflecting surface by an angle equals 45°, the angle of reflection equals ...........

• 35°

• 55°

• 45°

When a light ray falls perpendicular on a reflecting surface, it reflects on itself with an angle of reflection equals........

• zero

• 30°

• 60°

• 90°

If a person was putting a pen in his left pocket, then the formed image of the pen on a plane mirror will be on the ........side as it is........

• left-reversed.

• right-up right.

• right-reversed.

• left - virtual