LIGHT

Specular reflection is also known as _____

• diffused reflection

• irregular reflection

• parallel reflection

• regular reflection

If an object is placed 50 cm in front of the mirror, where will its image be formed?

• 25 cm behind the mirror

• 25 cm in front of the mirror

• 50cm behind the mirror

• 50 cm in front of the mirror

Which among the light rays in the diagram is the normal ray?

• 1

• 2

• 3

Which numbered part of the diagram is the angle of reflection?

• 1

• 2

• 3

What is the angle of reflection if the angle of incidence is 60⁰?

• 30⁰

• 45⁰

• 60⁰

• 90⁰

Light is a form of energy produced by

• illuminated objects

• luminous objects

• translucent objects

• transparent objects

Which of the following represents a diverging light rays?

• 
• 
• 
• 

Why can you see most objects?

• They absorb light

• they emit light

• light reflects off them

• light refracts through them

It is difficult to see the roadway from a car on a rainy night because the road surface

• that is normally a diffuse reflector when dry becomes a mirror surface when wet.

• absorbs the light more when wet.

• is obscured by the rain itself.

• scatters light in all directions.

A ray of light strikes a plane mirror perpendicular to the mirror. What is the angle of reflection?

• 0⁰

• 30⁰

• 45

• 90⁰