Section 14.2
Wave Properties
Practice Test
1.
A wave with a frequency of 10 Hz and a wavelength of 2 m has a speed of __________.
a.
2 m/s
b.
20 m/s
c.
0.2 m/s
d.
5 m/s
Hint
2.
The __________ of a wave can be used to determine how much energy is being transferred by the wave.
a.
frequency
b.
period
c.
amplitude
d.
speed
Hint
3.
Mechanical waves require __________.
a.
a gas
b.
a medium
c.
a solid
d.
a vacuum
Hint
4.
What mathematical expression relates frequency to period?
a.
1/
f
= 1/
T
b.
f
= 2
T
c.
f
= 1/
T
d.
f
=
T
Hint
5.
Surface waves move in a position __________ to the direction of the wave motion.
a.
in a circular motion relative
b.
parallel
c.
both parallel and perpendicular
d.
perpendicular
Hint
6.
A single bump or disturbance that travels through a medium is a ___________.
a.
surface wave
b.
continuous wave
c.
wave pulse
d.
compressional wave
Hint
7.
What does a wave carry?
a.
heat
b.
matter
c.
energy
d.
particles
Hint
8.
The speed of a wave depends on the __________.
a.
medium
b.
energy
c.
frequency
d.
amplitude
Hint
9.
A pulse traveling along a bullwhip is an example of a __________ wave.
a.
transverse
b.
compressional
c.
longitudinal
d.
surface
Hint
10.
In Figure 14-9, how much time elapses between pictures a and c?
a.
Not enough information is given to answer this question.
b.
0.04 s
c.
25 s
d.
0.02 s
Hint
11.
In Figure 14-14, how do the frequencies of the waves in pictures a and c compare?
a.
a's frequency is twice c's.
b.
a's frequency is four times c's.
c.
a's frequency is half of c's.
d.
a's frequency is one-quarter of c's.
Hint
12.
If a wave's frequency increases, its period __________.
a.
fluctuates
b.
remains the same
c.
decreases
d.
increases
Hint
13.
A trough is __________ of a wave.
a.
the starting point
b.
the midpoint
c.
the high point
d.
the low point
Hint
