1. Sound waves from a radio generally travel
in which medium?
5. The maximum displacement of a particle
by a wave is called
A. Air
A. Amplitude.
B. Earth
B. Wavelength.
2. If a transverse wave is moving from right
to left, the individual particles in the medium
are moving
6. The distance between two crests of a wave
is the
A. Amplitude
A. Left to Right
B. Wavelength
B. Up and down
3. Waves are often caused by
7. The time it takes for one full vibration of a
particle in a medium is the
A. Colliding objects
A. Period
B. Vibrating objects
B. Frequency
4. Our eyes can detect light only within a
range of _____ called visible light.
8. The inverse of period is
A. Frequency
A. Frequencies
B. Amplitude
B. Speeds
9. The speed of a sound wave
13. The medium seismic waves travel
through is
A. Depends on the wavelength
A. A vacuum
B. Depends on the medium.
B. rocks
10. Waves travel quickly in a _____ because
the molecules are closely packed and
physically bonded together.
A. Solid
B. gas
11. The Doppler effect is an observed change
in a wave’s
14. Sound waves are
A. transverse waves
B. longitudinal waves
15. The frequency of a sound wave
determines
A. the pitch of the sound
A. amplitude
B. how loud the sound is
B. frequency
12. Water waves
16. The differences in color in visible light,
such as those in a rainbow, are caused by
differences in
A. transport energy and water
A. medium
B. transport energy but not water.
B. frequency
17. Sound waves
21. The color of light is determined by the
_____ of the light waves.
A. require a medium
A. Frequency
B. are unrelated to vibrations.
B. amplitude
18. Light waves
22. The pitch of a sound is most closely
related to the
A. cannot travel through liquids.
B. Are electromagnetic waves.
A. Frequency of the sound wave
B. Distance from the sound source
19. Light waves are
A. Transverse waves
B. Longitudinal waves.
23. When a sound wave strikes your
eardrum, it causes forced vibrations that are
transferred to the
A. Brain
B. Hammer, anvil, and stirrup.
20. How loud a sound is depends on
24. A sonar system measures distance by
determining the
A. The amplitude of the waves.
B. The medium.
A. Difference between regular sound
waves and ultrasound.
B. Time it take for sound waves to be
reflected from a surface.
25. Which type of electromagnetic waves has
the highest energy?
29. When light moves from a material in
which its speed is higher to a material in
which its speed is lower, it is
A. Gamma rays
A. Bent toward the normal
B. Ultraviolet light
B. Bent away from the normal
26. Which type of electromagnetic radiation
is used to kill cancer cells?
30. Which of these affects the speed of
sound?
A. Microwaves
A. Temperature
B. Gamma rays
B. Direction of the wave.
27. Radar works by sending a signal out from
an air-traffic control tower that is
A. Analyzed by a Doppler scanner on
the ground
31. Which of these affects the loudness of a
sound?
A. Frequency of the waves.
B. Intensity of the waves.
B. Reflected off a plane back t the
control tower
28. The color that an object appears to be
depends on the
A. Wavelengths of visible light that
reaches your eyes.
32. Which of these affects the pitch of a
sound?
A. Loudness of the sound
B. Frequency of the waves
B. Speed with which visible light
reaches it.
33. What causes the sound of a guitar to get
louder as it is played?
37. The rate at which energy flows through a
given space describes light
A. Resonance
A. Intensity
B. Ultrasound
B. interference
34. Which device uses sound waves to view
organs inside the body?
38. Light rays reflecting off a smooth surface
reflect
A. X-ray machine
A. In one new direction
B. Sonogram
B. In the initial direction
35. Because its molecules are far apart, sound
waves will travel slowly through
39. Light rays reflecting off a rough surface
reflect
A. Cold air
A. at all angels.
B. water
B. At a single angle
36. As the frequency of light waves
increases,
40. The law of reflection says the angle of
incidence is _____ the angle of reflection.
A. the energy increases.
A. Equal to
B. The energy decreases
B. Less than
41. Reflection of light into random directions
is called
A. Diffuse reflection
B. The law of reflection
42. An apple appears red to your eye because
it
A. Reflects red light
B. Absorbs red light
43. In addition to reflecting some light, every
object
A. Transmits radio waves
B. Absorbs some light.
44. When all three additive primary colors
are mixed, you see the color
45. The intensity of a sound wave depends on
A. The wave’s loudness
B. The wave’s amplitude
46. Resonance amplifies the sound of a guitar
when the
A. The guitar string and guitar body are
both vibration at the same
frequency.
B. Intensity of a sound decrease over
time
47. 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.
48. When light rays reflect off a rough
surface, they
A. Black
A. Scatter in many different directions.
B. White
B. Converge toward the normal
49. 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.
50. Which of the following uses radio waves
to find an object’s location?
A. Sonogram
B. radar