Refraction Quiz

Why does a straw appear to be bent?

• light is absorbed

• light is reflected

• light is refracted

• light is bounced

What do we call a material that light can travel through?

• water

• medium

• air

• pathway

When light bends it is called _____________

• absorption

• reflection

• optical density

• refraction

A diagram shows the condition of a spoon in a glass of water. What can be observed about tge spoon?

• the water level rises

• the spoon looks bent

• the water is clear

• light is refracted

When is light refracted?

• when light cannot pass through an opaque object

• when light is bounced

• when light travels in a straight line

• when light travels in two different mediums

A student placed a pencil in a cup of water. The pencil appears broken because light:-

• reflects the pencil on the water's surface

• bends when it passes through water

• makes the water in the glass evaporate

• always travels in straight line

What is this called?

• reflection

• retraction

• refraction

• reconstruction

In which of these medium does light travel the fastest?

• water

• air

• glass

• pencil

What happens to the speed of light when it passes from air to gas?

• it increases

• it does not change

• it decreases

• all of the above

Swimming pools and the ocean look shallower than they really are due to:

• reflection

• refraction

• dispersion

• total internal reflection