Refraction and Reflection of Light Quiz

What analogy is used to explain the change in speed of light in different media?

• A car driving on different roads

• Mr. Q running on land and water

• A bird flying in the sky

• A fish swimming in a pond

What happens to light when it enters a different medium?

• It speeds up

• It stops

• It bends

• It changes color

What is optical density?

• The color of a medium

• The temperature of a medium

• The ability of a medium to slow down light

• The ability of a medium to speed up light

When light travels from a rarer to a denser medium, what happens to the angle of refraction?

• It becomes larger than the angle of incidence

• It becomes smaller than the angle of incidence

• It remains the same

• It disappears

What occurs when light moves from a denser to a rarer medium?

• It stops

• It travels in a straight line

• It bends towards the normal

• It bends away from the normal

In the special case of refraction, what is the angle of incidence when light hits a medium at 90 degrees?

• 0 degrees

• 45 degrees

• 90 degrees

• 180 degrees

What happens to light when it hits a medium at a 90-degree angle?

• It reflects

• It bends

• It stops

• It travels in a straight path

Why does a pencil appear bent in a glass of water?

• Due to diffraction

• Due to absorption

• Due to refraction

• Due to reflection

How do glasses and contact lenses help us see better?

• By stopping light

• By changing the color of light

• By reflecting light in a desired way

• By absorbing light

What role does a prism play in the refraction of light?

• It stops light

• It splits white light into its components

• It reflects light

• It absorbs light