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WorksheetsSound Waves Review
Total questions: 28
Worksheet time: 56mins
How many nodes are there on this standing wave?
1
1.5
3
4
How many anti-nodes are there on this standing wave?
1
1.5
3
4
How many wavelengths are there in this standing wave?
1
1.5
3
4
What is the harmonic of this standing wave?
1
2
3
4
The frequency of this standing wave is 40 Hz. What is the frequency of the first harmonic?
5 hz
10 hz
20 hz
40 hz
The frequency of this standing wave is 40 Hz. What is the frequency of the second harmonic?
5 hz
10 hz
20 hz
40 hz
How many waves are on this string?
1
2
4
8
The frequency of this standing wave is 60 hz. What is the velocity of this wave?
20 m/s
60 m/s
90 m/s
180 m/s
This 3rd harmonic standing wave has a velocity of 150 m/s. What is the velocity of the 1st harmonic?
30 m/s
50 m/s
150 m/s
450 m/s
Which of these points are nodes?
All of them
None of them
A, E, G, I
C, F, H, J
Which of these points are antinodes?
All of them
None of them
A, E, G, I
C, F, H, J
This chart is for standing waves on a string. What numbers go in the nodes' column?
1,2,3,4
2,3,4,5
1,4,9,16
1/2, 2/2, 3/2, 4/2
This chart is for standing waves on a string. What would be the frequency of the first harmonic?
2 hz
40 hz
80 hz
320 hz
This chart is for standing waves on a string. What numbers should go in the velocity column?
60, 120, 180, 240
60, 60, 60, 60
60, 120, 270, 480
30, 60, 90, 120
This picture shows a sound wave in an open pipe. Which harmonic is this?
5th
10th
12th
6th
This picture shows a sound wave in an open pipe. If the pipe is 1 meter, what is the wave length of these waves?
1/3 m
2/3 m
4/3 m
3/2 m
This chart is for an open pipe. What numbers should go in the antinodes' column
1,2,3,4
2,3,4,5
1,3,5,7
2,4,6,8
The chart above is for an open ended pipe. Which harmonic is this?
7
8
9
15
This is a chart for an open ended pipe. If the pipe is 1 meter, what is the wavelength of this harmonic?
5 meters
5/2 meters
2/5 meters
4/5 meters
This wave harmonic of an closed ended pipe. What is the harmonic of this wave?
2.5th harmonic
5th harmonic
2nd harmonic
3rd harmonic
How may nodes are in this closed ended pipe wave?
2
4
5
7
What is the wavelength of these closed ended pipe waves? The pipe is 1 meter long.
2 m
4 m
3/4 m
4/3 m
This chart is for a closed pipe wave. The numbers that should go into the frequencies' column are...
3, 9, 15, 21
1, 9, 18, 27
1, 3, 5, 7
9, 9, 9, 9
This chart is for a closed pipe wave. The numbers that should go into the wavelengths' column are...
4, 4/3, 4/5, 4/7
4, 2, 2/3, 2/4
2, 2/3, 2/5, 2/7
9, 9, 9, 9
The police siren makes a 500 hz noise. The frequency that the motorcyclist hear is...
Lower than 500 hz
Exactly 500 hz
Higher than 500 hz
he wont hear anything
The siren on the police car makes a sound wave that is 0.4 meters long. The wavelength of the sound the motorcyclist hears is...
Shorter than 0.4 meters
Exactly 0.4 meters
More than 0.4 meters
The police siren makes a 500 hz noise. The frequency that the motorcyclist hear is...
Lower than 500 hz
Exactly 500 hz
Higher than 500 hz
he wont hear anything
When parked, the police car's siren makes a sound with a velocity of 340 m/s. What is the velocity of the sound waves when the police car is driving 20 m/s?
320 m/s
340 m/s
360 m/s
