Physical Science: Waves, Sound, and Light, Book O

Chapter 1: Waves

Waves

1.
In __________ waves, matter in the medium moves forward and backward in the same direction the wave travels.
A)transverse
B)compressional
C)radio
D)ocean
2.
The bending of a light wave as it moves from one medium into another is called __________ .
A)reflection
B)interference
C)diffraction grating
D)refraction
3.
The matter through which a mechanical wave travels is called a __________ .
A)wave relay
B)medium
C)substrate
D)conductor
4.
Waves that use matter to transfer energy are called __________ waves.
A)electromagnetic
B)medium
C)mass
D)mechanical
5.
Sound waves cannot travel in outer space because __________ .
A)the gas molecules in outer space air are too far apart
B)they are electromagnetic waves
C)they cannot travel through a medium
D)they are mechanical waves
6.
Which of the following is true?
A)You can hear sounds from a room you haven't entered because of the refraction of sound waves.
B)You can see into a room that is around a corner because of the extensive diffraction of light waves.
C)You can see into a room that is around a corner because of the refraction of light waves.
D)You can hear sounds from a room you haven't entered because of the diffraction of sound waves.
7.
The process in which two waves overlap and form a new wave is called __________ .
A)wave joining
B)interference
C)diffraction
D)refraction
8.
Reflection occurs when a wave __________ .
A)compresses air particles as it travels
B)bends and changes speeds as it travels
C)causes ripples in a pool of water
D)strikes an object and bounces off of it
9.
What type of waves do not require matter to carry energy?
A)compressional
B)transverse
C)mechanical
D)electromagnetic
10.
What is the region of a compressional wave where particles are far apart called?
A)rarefaction
B)crest
C)trough
D)rest position
11.
__________ is a measure of the energy in a wave.
A)Wave velocity
B)Wavelength
C)Amplitude
D)Frequency
12.
In __________ waves, matter in the medium moves back and forth at right angles to the direction the wave travels.
A)transverse
B)light
C)compressional
D)sound
13.
A __________ is a repeating disturbance that transfers energy through matter or open space.
A)medium
B)conductor
C)frequency
D)wave
14.
Which of the following has the shortest wavelength?
A)green light
B)radio waves
C)infared radiation
D)X rays
15.
__________ is the distance from the top of one crest of a transverse wave to the top of the next crest in that wave.
A)Wavelength
B)Amplitude
C)Frequency
D)Wave velocity
16.
Which of the following does a transverse wave have?
A)rarefactions
B)ability to travel through space
C)compressions
D)amplitude
17.
The __________ is an imaginary line perpendicular to the surface of a medium where a wave strikes it.
A)incidence
B)normal
C)diffraction grating
D)interference
18.
Why can't you see your reflection in a brick wall?
A)Reflection of light from a rough surface is regular reflection.
B)No light is reflected from a brick wall.
C)Light rays are reflected in many directions from the uneven surface.
D)Light rays are reflected in only one direction from the rough surface.
19.
The __________ of a wave is how many wavelengths pass a fixed point each second.
A)amplitude
B)velocity
C)compression speed
D)frequency
20.
__________ occurs when the crest of one wave overlaps the trough of another wave.
A)Constructive interference
B)Amplitude shift interference
C)Wave cancellation
D)Destructive interference