Light

When a beam of white light travels through a glass prism, it will be separated into seven component colours. List the seven colours formed on the screen below in the correct order.

White light consist of __________ colours

Regular reflection relate to-

• book

• wall

• polished tin sheet

• black board

How many images are obtained when plane mirrors are arranged parallel to each other?

• Single Image

• Zero image

• Infinite number of images

• Ten images

A ray of light is the path along which light travels

• True

• False

Angle between incident and reflected ray i.e. angle AOB is

• 30 degree

• 40 degree

• 120 degree

• 180 degree

This investigation is carried out to show that

• light travels in a straight line

• light can be seen through the holes

• light penetrates a transparent object

• light travels in many ways

Convex lens is also called as

• Diverging lens

• Converging lens

• Plane lens

• Power lens

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

• 2m

• 4m

• 6m

• 8m

rainbow

• light is reflected
• light is refracted
• light is absorbed