Light Energy

A ray of light falling on a mirror is called _______________.

• reflected ray

• normal ray

• emergent ray

• incident ray

The image of an object formed by a plane mirror is _________ in nature.

• virtual

• real

• diminished

• magnified

The path traced by a ray of light is

• always a straight line.

• a curved line.

• a zig-zag line.

• dependent on the medium.

If you are standing 2 m away from a plane mirror, the distance between you and your image is ___.

• 2 m

• 4 m

• 6 m

• 8 m

Which one shows lateral inversion?

• Plane mirror

• Concave mirror

• Convex mirror

• All of these

The angle between the incident ray of light and the ray reflected from a plane mirror is 70°. The angle of incidence will be:

• 70°

• 30°

• 35°

• 90°

The angle of incidence of light on a plane mirror is 30°.The angle of reflection will be:

• 30°

• 60°

• 15°

• 0°

The angle of incidence on a plane mirror is 30°. The angle between the incident ray and the reflected ray is

• 30°

• 15°

• 60°

• 90°

The property due to which a light ray striking a surface is returned back into the same medium is called

• refraction

• reflex action

• reflection

• regression

A ray of light falling on a mirror, leaves the surface of the mirror and is then called ________.

• reflected ray

• normal

• incident ray

• refracted ray