Waves
Practice Test
1.
__________ is a measure of the energy in a wave.
a.
Amplitude
b.
Frequency
c.
Wavelength
d.
Wave velocity
Hint
2.
Which of the following does a transverse wave have?
a.
compressions
b.
amplitude
c.
ability to travel through space
d.
rarefactions
Hint
3.
__________ occurs when waves bend around a barrier.
a.
Reflection
b.
Diffraction
c.
Refraction
d.
Interference
Hint
4.
Waves that use matter to transfer energy are called __________ waves.
a.
mechanical
b.
medium
c.
electromagnetic
d.
mass
Hint
5.
The __________ is an imaginary line perpendicular to the surface of a medium where a wave strikes it.
a.
incidence
b.
interference
c.
diffraction grating
d.
normal
Hint
6.
__________ occurs when the crest of one wave overlaps the trough of another wave.
a.
Constructive interference
b.
Wave cancellation
c.
Amplitude shift interference
d.
Destructive interference
Hint
7.
In __________ waves, matter in the medium moves forward and backward in the same direction the wave travels.
a.
transverse
b.
ocean
c.
radio
d.
compressional
Hint
8.
Which of the following is true?
a.
You can hear sounds from a room you haven't entered because of the diffraction 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 hear sounds from a room you haven't entered because of the refraction of sound waves.
d.
You can see into a room that is around a corner because of the refraction of light waves.
Hint
9.
What type of waves do not require matter to carry energy?
a.
transverse
b.
mechanical
c.
electromagnetic
d.
compressional
Hint
10.
Why can't you see your reflection in a brick wall?
a.
No light is reflected from a brick wall.
b.
Reflection of light from a rough surface is regular reflection.
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.
Hint
11.
__________ 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.
Frequency
c.
Amplitude
d.
Wave velocity
Hint
12.
The __________ of a wave is how many wavelengths pass a fixed point each second.
a.
frequency
b.
velocity
c.
compression speed
d.
amplitude
Hint
13.
In __________ waves, matter in the medium moves back and forth at right angles to the direction the wave travels.
a.
transverse
b.
compressional
c.
light
d.
sound
Hint
14.
The matter through which a mechanical wave travels is called a __________ .
a.
conductor
b.
wave relay
c.
substrate
d.
medium
Hint
15.
What is the region of a compressional wave where particles are far apart called?
a.
trough
b.
crest
c.
rest position
d.
rarefaction
Hint
16.
Sound waves are __________ waves.
a.
molecular
b.
compressional
c.
transverse
d.
radio
Hint
17.
The __________ of an electromagnetic light wave determines the color of the light.
a.
pitch
b.
amplitude
c.
frequency
d.
compression speed
Hint
18.
A __________ is a repeating disturbance that transfers energy through matter or open space.
a.
frequency
b.
medium
c.
conductor
d.
wave
Hint
19.
The process in which two waves overlap and form a new wave is called __________ .
a.
interference
b.
refraction
c.
diffraction
d.
wave joining
Hint
20.
Sound waves cannot travel in outer space because __________ .
a.
they are mechanical waves
b.
they are electromagnetic waves
c.
the gas molecules in outer space air are too far apart
d.
they cannot travel through a medium
Hint