PHYSICS
WAVE MOTION
1. Frequency is measured in
A)
B)
C)
D)
E)
meters per second
meters
hertz
seconds
Newtons
2. Use the graph below to find the frequency of the wave.
Y(meters)
90
60
30
0
time(s)
2
-30
4
6
8
10
12
14 16
18
20
22
24
-60
-90
3. The frequency of a wave is 0.5Hz. Draw two seconds of this wave.
4. An object attached to one end of a spring makes 35 cycles in 5 seconds. Its frequency is:
A)
2 Hz
B)
5 Hz
C)
7 Hz
D)
10 Hz
E)
15 Hz
5. Using the graph below Find the frequency of the wave
0.3
0.2
0.1
0
1
2
3
4
5
seconds
6. The time needed for a wave to change from equilibrium to a crest is 0.5 seconds.
a. Draw 2 cycles of this wave?
b. Find the period of this wave.
c. Find the frequency of this wave.
7. If a wave is traveling at a wave speed of 60 m/s and has a wavelength of 15 cm, what is the frequency
AND period?
8. A sound wave in a steel rail has a frequency of 620 Hz and a wavelength of 10.5 m. What is the speed of
sound in steel?
9. A period of 5.0 seconds corresponds to a frequency of what?
10. Find the period of a 261-Hertz sound wave.
11. The period of a wave is 0.03 seconds. It travels at a velocity of 10.0 m/s. Determine the frequency and the
wavelength of the wave.
12. The string below is 6.0 meters long and vibrates up and down with frequency 4.5 Hz. Determine
(a) frequency
(b) period
(c) wavelength
(d) wavespeed
13. The string below is 8.2 meters long and vibrates up and down with 21 cycles in 5 seconds. Determine
(a) frequency
(b) period
(c) wavelength
(d) wavespeed