Waves 1

What does luminous mean?

• It is shiny

• It glows in the dark

• It emits light

What happens to the speed of light when it enters a more dense medium (material)?

• It slows down but carries on in the same direction

• It speeds up and bends into a different direction

• It slows down and bends into a different direction

• It speeds up but stays in the same direction

What is the word for the bending of light rays?

• Relfection

• Refraction

• Convergence

• Dispersion

What do all waves carry?

• Matter

• Energy

• Nothing

What is the name for a line at a right angle (90°) to a mirror called?

What is the name for reflection from a smooth surface?

• Diffuse scattering

• Specular relfection

Match the word to its definition to describe the amount of light a material can transmit

• Absorbs all light

• Translucent

• Transmits some lght

• Transparent

• Transmits all light

• Opaque

Name the hole in the eye that allows light in.

• Pupil

• Cornea

• Lens

• Iris

Name the colours of light that white light is made up of

Which 2 parts of the eye are refract light?

• Cornea

• Pupil

• Lens

• Iris

• Retina