Refraction of Light

Refraction occurs due to the differences in density between two media.

• TRUE

• FALSE

Refraction is the main reason why we see objects around us.

• TRUE

• FALSE

When waves are refracted, their speed remain as they pass across the boundary between two media.

• TRUE

• FALSE

As light enters the pupil, the ____ and lens of the eye refract the light rays to focus it on the retina.

• retina

• cornea

• iris

The extent of change in the direction of light depends on refractive index.

• index

• image

• object

Converging lenses bulge at the middle and thins at the edges.

• True

• False

Converging lenses they are also called _______ lenses.

• Convex

• Concave

Do you agree on the statement?

Types of Images

A real image is an image formed with the actual rays of light.

A virtual image is an image formed from imaginary extensions of these rays of light.

• Yes

• No

Do you agree on the statement?

The image formed in lenses can be described by its LOST– location, orientation, size and type.

• Yes

• No

Do you agree on the statement?

Diverging lenses are lenses that thin at the middle and bulk at the edges.

These are also known as concave lenses.

• Yes

• No