# 8th Grade Chapter 4, Part 2: Question Preview (ID: 27387)

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According to the law of reflection, the angle of incidence always equals
a) the angle of refraction
b) the angle of transmission
c) the angle of reflection
d) the angle of amplitude

___ occurs when light waves traveling in 1 direction are made to travel in many directions
a) reflection
b) refraction
c) scattering
d) transmission

A wave that changes direction as it travels from one material into another is refracting.
a) true
b) false
c)
d)

Concave mirrors curve inward.
a) true
b) false
c)
d)

Convex mirrors produce images that are upside down.
a) true
b) false
c)
d)

Convex lenses produce images that depend on where an object is in relation to the
a) focal point
b) angle of incidence
c) angle of reflection
d) lens

The convex lens made of transparent tissue that is located on the outside of the eye is the
a) lens
b) cornea
c) retina
d) cone

Which part of the eye changes size to control the amount of light that enters?
a) cornea
b) pupil
c) iris
d) lens

___ cells allow you to see in dim light.
a) rods
b) cones
c) cornea
d) retina

White light is
a) the absence of all light waves
b) composed of light with long wavelengths
c) composed of light with short wavelengths
d) a combination of many wavelengths

___ materials allow some light to pass through them and form a blurry image.
a) transparent
b) translucent
c) opaque
d) solid

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