Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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When all three additive primary colors are mixed, you see the color
a. | black. | c. | cyan. | b. | magenta. | d. | white. |
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2.
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When light moves from a material in which its speed is higher to one in which
its speed is lower, the ray is
a. | bent away from the normal. | c. | converged. | b. | bent toward the
normal. | d. | diverged. |
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3.
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A mirage is caused by
a. | dispersing light. | c. | diverging light. | b. | converging light. | d. | refracting
light. |
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4.
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Light entering the eye is focused to produce an image on the
a. | iris. | c. | retina. | b. | cornea. | d. | optic nerve. |
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5.
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A prism separates white light into different colors through a process
called
a. | dispersion. | c. | convergence. | b. | magnification. | d. | divergence. |
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6.
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The intensity of a sound wave depends on
a. | the wave’s loudness. | c. | pitch. | b. | the wave’s
amplitude. | d. | frequency. |
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7.
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Resonance amplifies the sound of a guitar when
the a. | the guitar string and guitar body are both vibrating at the same
frequency. | b. | intensity of a sound decreases over time. | c. | pitch of a note is
compared with a pure tone. | d. | vibration of a string or column of air causes a
standing wave at a natural frequency. |
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8.
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The particle model of light explains how light can
a. | travel through empty space without a medium. | b. | refract when it
passes through a lens. | c. | be reflected off a mirror. | d. | diffract when it
passes through a normal opening. |
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9.
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The amount of energy in a photon of light is proportional to the
a. | medium through which it travels. | b. | shape of the light wave it
creates. | c. | speed of the corresponding light wave. | d. | frequency of the corresponding light
wave. |
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10.
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When light rays reflect off a rough surface, they
a. | scatter in many different directions. | b. | converge toward the normal. | c. | diverge away from
the normal. | d. | decrease their speed and change their angle. |
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11.
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When you look at an orange, you see the color orange because the fruit
a. | reflects orange light and absorbs other colors. | b. | absorbs orange light
and reflects other colors. | c. | reflects red and yellow light
only. | d. | absorbs red and yellow light only. |
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12.
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When light moves from a material in which its speed is higher to a material in
which its speed is lower, it is
a. | bent toward the normal. | c. | reflected off the
boundary. | b. | bent away from the normal. | d. | changed into a virtual image. |
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13.
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Which of the following uses radio waves to find an object’s
location?
a. | sonar | c. | sonogram | b. | ultrasound | d. | radar |
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14.
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Which structure within the eye is responsible for the largest percentage of
refraction of light?
a. | retina | c. | lens | b. | cornea | d. | iris |
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15.
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White light separates into different colors when it passes through a prism
because of
a. | differences in wave speed. | c. | reflection. | b. | total internal
dispersion. | d. | droplets in the
air. |
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16.
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Most musical instruments produce sound through the vibration of
a. | membranes. | c. | strings. | b. | air columns. | d. | All of the
above |
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17.
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Sonar and ultrasound technology depend on the ability of waves to
a. | reflect sound. | c. | disperse sound. | b. | amplify sound. | d. | dissipate
sound. |
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18.
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Which property of light is not explained by the wave model of light?
a. | Light produces interference patterns. | b. | Light is diffracted when it passes through a
narrow opening. | c. | Blue light can knock electrons off a plate but red light cannot. | d. | Light reflects when
it meets a mirror, but it refracts when it passes through a lens. |
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19.
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The rate at which light energy flows through a given area of space is referred
to as its
a. | speed. | c. | intensity. | b. | wavelength. | d. | energy. |
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20.
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The law of reflection states that when light rays reflect off a surface, the
angle of incidence
a. | is one-half the angle of reflection. | c. | is twice the angle of
reflection. | b. | equals the angle of reflection. | d. | equals the angle of
refraction. |
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21.
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If you looked at a red tulip with green leaves under green light, you would see
a
a. | green tulip with green leaves. | c. | yellow tulip with black
leaves. | b. | black tulip with green leaves. | d. | black tulip with black
leaves. |
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22.
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A virtual image caused by reflection of light in the atmosphere is called
a
a. | prism. | c. | mirror. | b. | lens. | d. | mirage. |
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23.
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The effect in which white light separates into different colors is called
a. | magnification. | c. | reflection. | b. | refraction. | d. | dispersion. |
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Matching
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Match each item to the correct statement below. a. | electromagnetic waves that give off heat | b. | electromagnetic
waves that can carry telecommunication signals and cook food | c. | electromagnetic
waves with high energy that can cause sunburn | d. | electromagnetic waves used in medicine to kill
cancer cells and view bones | e. | electromagnetic waves used for television, AM,
and FM radio signals | f. | electromagnetic waves used to determine the
location of objects in a room |
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24.
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ultraviolet rays
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25.
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infrared rays
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26.
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visible light
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27.
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radio waves
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28.
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microwaves
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29.
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X rays and gamma rays
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Match each item to the correct statement below. a. | the increase of an object’s apparent size by using lenses or
mirrors | b. | consists of two or more plane surfaces of a transparent solid at an angle with each
other | c. | a transparent object that refracts light waves such that they converge or diverge to
create an image | d. | a lens that bends light waves inward | e. | bending of light when crossing between
mediums | f. | a lens refracting light waves so that they bend
outward |
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30.
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refraction
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31.
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prism
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32.
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convergent lens
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33.
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divergent lens
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34.
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magnification
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35.
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lens
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