Physical Science 9 Chapter 12 Test

True or False Refraction occurs when a wave strikes an object and bounes off

False, reflection

True or False An apple is red because it absorbs red light

False, reflects

what does the color of an object we see depend on?

the color it reflects

glass is an example of a ________ material

transparent

True or False Regular reflection is the reflection of light from a rough surface

False, Diffuse

True or False Fluorescent light is produced by heat

False, Incandescent

True or False When light strikes a transparent material, most of the light is absorbed or reflected

False, Opaque

True or False Sodium-vapor lights are incadesecnt bulbs filled with a gas to make the filament last longer

False, Tungsten Halogen

True or False Eyeglasses, binoculars, and cameras take advantage of the principles of reflection

False, refraction

True or False When light enters your eye it focuses on the iris

False, retina

True or False If white light passes through a filter, most of the red wavelengths are absorbed

False, transmitted

True or False A photographic image of a 3-D object made without a lens is a hologram

True

True or False Light is refracted twice in a prism

True

True or False Pigment is a colored material that absorbs some colors and reflects others

True

True or False The angle at which light strikes a surface is the same as the angle at which it is reflected

True

True or False To make green paint, blue and yellow pigments are blended

True

True or False the longest wavelengths of visible light are red

True

an image of a distant object produced by refraction of light through air layers

a mirage

the color ______ is produced by mixing the three primary pigments

black

if an object looks blue, it reflects _____ waves

blue

light of one wavelength that travels with its crests and troughs aligned is _______

coherent light

more men than women suffer from _________, a condition in which the eye is not able to distinguish between certain colors

color blindness

__________ and rods in your eye allow you to distinguish colors and shapes

cones

which color of light is produced by mixing green light and blue light

cyan light

light reflected off an uneven surface such as dirt is _______ reflection

diffuse

the reflection of light waves from a rough surface is ________ reflection

diffuse

if white light were shone through a green filter, ___________ light would pass through the filter

green

red and blue are two primary colors of light. what is the third primary color of light?

green

__________ can be used for different kinds of surgery

lasers

when light is shined from water toward air it refracts if the angle at which the light ray strikes the boundary is ________ than the critical angle

less

for total internal reflection to occur, all of the following must happen but ________

light must refract

whe red and blue lights are mixed, __________ is the result

magenta

which color of light is produced by mixing red and blue light?

magenta light

the primary pigment colors are _____________.

magenta, cyan and yellow

a gas commonly found in lighting devices is __________

neon

materials that do ot transmit light are called ___________

opaque

which term describes a material that does not allow light to be transmitted

opaque

a coffee mug is _________ while a wine glass is _________

opaque, transparent

yellow, magenta, and cyan are the primary ___________ colors

pigment

waves vibrate in only one direction in _______

polarized light

what wavelength of light is reflected from a red shirt?

red

which is not a primary pigment color?

red

a green object will absorb ______ light and reflect _______ light

red and blue green

the primary colors of light are ________.

red blue and green

when you see a child playing in a big red wagon, the color you see is _________

reflected

If light waves change speed when they pass from one medium into another, the light will be _______

refracted

if light waves change speed when they pass from one medium to another,

refracted

reflection of light waves from a smooth surface is _________

regular reflection

the relfection of light from a ________surface is diffuse reflection

rough

refraction is the bending of waves caused by a change in their _________ when they move from one medium to another

speed

waxed paper and frosted glass are examples of materials that are __________________

treanslucent

fluorescent light bulbs _________- than incandescent light bulbs

use less energy

the first and second color of pigment are magenta and cyan. what is the third primary color

violet

The color _________ is produced by blending the three primary colors of light

white

when the whole range of light waves is composed, what color is produced?

white

if a light wave is reflected with a 63 degree angle of reflection, what was the angle of incidence of which transmitted?

63