Waves Test Review #2

A wave with compressions, and rarefactions will be classified as what type of wave?

• Longitudinal

• Refraction

• Rarefaction

• None of the above

What part of the eye controls the pupil?

• lens

• iris

• optic nerve

• sclera

What is an eye impairment?

• A condition that occurs when one part of the eye doesn’t work or doesn’t work correctly

• A condition that causes your eyes to focus too much

• A condition that allows you to see without light

• None of the above

What part of the eye does a light wave hit first?

• Iris

• sclera

• pupil

• cornea

What part of the eye focuses light?

• lens

• pupil

• optic nerve

• retina

Why is the retina important?

• It turns the focused light into signals for the brain

• It turns the signals into focused light for the brain

• It focuses the light

• It takes the light signals to the brain

Which situation would cause your pupils to change from small to large?

• The light got dimmer

• The light got brighter

• The person looked at a distant object

• The person looked at an object up close

Light is bent as it passes through a pair of eyeglasses. What is this bending called?

• Reflection

• Refraction

• Absorbing

• Scattering

Different wavelengths of light are seen as different ___________________________.

• Atoms

• Speeds

• Sounds

• Colors

What is unique about light waves?

• They travel through matter

• They are transverse

• They are longitudinal

• They can travel through space