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SHM, Waves, and Sound Review

Total questions: 74

Worksheet time: 5hrs 44mins

Name
Class
Date
1.

The highest point of a wave

a)

Crest

b)

Trough

c)

Amplitude

d)

Wavelength

2.

The lowest point of a wave

a)

Crest

b)

Trough

c)

Amplitude

d)

Wavelength

3.

A wave in which the motion of the wave is parallel to the direction of the wave.

a)

Crest

b)

longitudinal

c)

transverse

d)

Wavelength

4.

The height of a wave from the equilibrium point

a)

Crest

b)

longitudinal

c)

wavelength

d)

amplitude

5.

The distance from the crest of one wave to the crest of the next wave

a)

Crest

b)

longitudinal

c)

transverse

d)

Wavelength

6.

The number of waves in given time

a)

Crest

b)

frequency

c)

period

d)

Wavelength

7.

The time it takes for one wavelength

a)

Crest

b)

frequency

c)

period

d)

Wavelength

8.

A wave in which the  motion of the wave is perpendicular to the direction of the wave

a)

Crest

b)

transverse

c)

longitudinal

d)

Wavelength

9.

What is A pointing to?

a)

Amplitude

b)

Crest

c)

Wavelength

d)

Trough

10.

What is B pointing to?

a)

Amplitude

b)

Crest

c)

Wavelength

d)

Trough

11.

What is C pointing to?

a)

Amplitude

b)

Crest

c)

Wavelength

d)

Trough

12.

What is D pointing to?

a)

Amplitude

b)

Crest

c)

Wavelength

d)

Trough

13.

If you were to increase the length of the string on a pendulum, what would happen to the period of the pendulum?

a)

The period would increase.

b)

The period would decrease.

c)

The period would stay the same.

d)

Cannot determine this information.

14.

If you were to increase the mass on a pendulum, what would happen to the period of the pendulum?

a)

The period would increase.

b)

The period would decrease.

c)

The period would stay the same.

d)

Cannot determine this information.

15.

What variables affect the period of a mass on a spring? Check all that apply.

a)

the mass of the object on the spring

b)

the mass of the spring

c)

the spring constant

d)

how far the spring is stretched

16.

What variables affect the period of a pendulum? Check all that apply.

a)

the mass of the pendulum bob

b)

the length of the string

c)

the gravitational acceleration

d)

the type of string used

17.

If you were to increase the mass of the object on a spring, what would happen to the period of the mass on the spring?

a)

The period would increase.

b)

The period would decrease.

c)

The period would stay the same.

d)

Cannot determine this information.

18.

At what point in the swing of a pendulum is the bob moving fastest?

a)

at the top of the arc

b)

at the bottom of the arc

19.

The number of oscillations per second is the

a)

period

b)

frequency

c)

amplitude

d)

oscillation

e)

pendulum bob

20.

The time for one complete back and forth swing is the

a)

period

b)

frequency

c)

amplitude

d)

oscillation

e)

pendulum bob

21.

The maximum displacement from equilibrium is the

a)

period

b)

frequency

c)

amplitude

d)

oscillation

e)

pendulum bob

22.

Period is measured in

a)

m/s

b)

s

c)

m

d)

Hz

e)

m/s/s

23.

Frequency is measured in

a)

m/s

b)

s

c)

m

d)

Hz

e)

m/s/s

24.

The period of an ocean wave is 10 s. What is its frequency?

a)

10 cycle/second

b)

1 cycle/second

c)

0.5 cycle/second

d)

0.1 cycle/second

25.
A stiff material has a:
a)
high spring constant
b)
low spring constant
c)
spring constant of any value
d)
spring constant which is difficult to predict
26.

What type of motion is described by oscillations following a particular, consistent pattern?

a)

Random motion

b)

Simple harmonic motion

c)

Circular motion

d)

Linear motion

27.
What is the equation for frequency?
a)
f = t/n
b)
f = 1/T
c)
f = 2 T
28.
For a system in simple harmonic motion, which of the following is the time required to complete a cycle of motion?
a)
amplitude
b)
period
c)
frequency
d)
revolution
29.

The position where the forces are balanced

a)

amplitude

b)

equilibrium

c)

oscillator

d)

restoring force

30.

According to the graph, what is the amplitude of this oscillation?

a)

1 m

b)

2 m

c)

1 s

d)

2.2 s

31.

The relationship between period, T, and frequency, f, is...

a)

T=fT=f  

b)

T=1fT=\frac{1}{f}  

c)

T=f2T=f^2  

d)

T=1f2T=\frac{1}{f^2}  

32.

The period of a pendulum that is in simple harmonic motion is...

a)

2πLg2\pi\sqrt{\frac{L}{g}}

b)

2πgL2\pi\sqrt{\frac{g}{L}}

c)

2πkm2\pi\sqrt{\frac{k}{m}}

d)

2πmk2\pi\sqrt{\frac{m}{k}}

33.
Sound waves are what kind of wave?
a)
Longitudinal
b)
Transverse
c)
Surface
d)
Electromagnetic
34.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
35.
What happens when you increase the amplitude of a sound?
a)
it makes the sound louder
b)
it makes the sound travel faster
c)
it increases the wavelength of the sound
d)
it increases the frequency of the sound
36.
This is the unit used to measure the volume of a sound. 
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
37.
This is what you get when sound waves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
38.
The speed of a sound wave depends on
a)
the frequency
b)
the medium
c)
both air temperature and medium
d)
the air temperature
39.
True or False: Sound travels better through solids than through liquids
a)
True 
b)
False
40.
What is a pitch?
a)
highness or lowness of a sound
b)
the intensity of a vibration
c)
the amplitude of the sound wave
d)
volume of sound
41.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
42.
How does a sound wave interact with a human ear?
a)
vibrates the ear drum and tiny hairs
b)
bounces off the ear canal
c)
rotates the ear drum
d)
vibrates the ear canal
43.
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
a)
The sound would be higher. 
b)
The sound would be lower. 
c)
The sound would be softer. 
d)
The sound would be louder. 
44.
Areas of high pressure in a sound wave are called...
a)
Amplitude
b)
Compression
c)
Rarefaction
d)
Trough
45.
Areas of low pressure in a sound wave are called...
a)
Compression
b)
Crest
c)
Rarefaction
d)
Wavelength
46.

A sound wave has a wavelength of 200 m and a frequency of 6 Hz. What is its speed?

a)

1200 m/s

b)

12,280 m/s

c)

0.0031 m/s

d)

1993.8 m/s

e)

none of these are correct

47.

The speed of sound in air is 340 m/s. The frequency of the sound waves generated by my voice is 720 Hz. Calculate the wavelength of sound of my voice.

a)

380 m

b)

0.472 m

c)

2.11 m

d)

244,800

e)

none of these are correct

48.

A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

a)

25 m

b)

125 m

c)

5 m

d)

25 m/s

49.

A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?

a)

500 m/s

b)

50 m/s

c)

5 m/s

d)

0.5 m/s

50.

What is the frequency of a wave traveling at 300 m/s with a 4 m wavelength?

a)

0.013 Hz

b)

75 Hz

c)

300 Hz

d)

1200 Hz

51.

If a sound wave with a frequency of 3,500 Hz travels at 350 m/s, what is its wavelength?

a)

0.01 m

b)

10.0 m

c)

0.1 m

d)

1.0 m

52.

A sound has a loudness of 120 dB. What would its loudness be if the intensity were decreased by a factor of 100?

a)

20 dB

b)

100 dB

c)

140 dB

d)

It would stay the same. Loudness and intensity are different, unrelated things.

53.

A sound has a loudness of 60 dB. What would its loudness be if the intensity were increased by a factor of 100,000?

a)

10 dB

b)

65 dB

c)

110 dB

d)

It would stay the same. Loudness and intensity are different, unrelated things.

54.

A sound has a loudness of 60 dB. What would its loudness be if the intensity were decreased by a factor of 1,000,000?

a)

0 dB

b)

120 dB

c)

It's impossible to change the intensity of a sound by that much.

d)

Since there still is some sound, it would have to have a value of at least 1 dB.

55.

This wave is found in/on a

a)

String

b)

Bar or Open Tube

c)

Closed Tube

56.

This wave is found in/on a

a)

String

b)

Rod

c)

Open Tube

d)

Closed pipe

57.

This open end tube is in the

a)

1st harmonic

b)

2nd harmonic

c)

3rd harmonic

d)

4th harmonic

58.

Which of the following bars would have the equation f=3v/2L

a)
b)
c)
d)
59.

This string is in the

a)

1st harmonic

b)

2nd harmonic

c)

3rd harmonic

d)

4th harmonic

60.

This string is in the

a)

Fundamental

b)

1st overtone

c)

2nd overtone

d)

3rd overtone

61.
How many wavelengths are there on a string vibrating at its fundamental frequency?
a)
1/4
b)
1/2
c)
1
d)
2
62.
A 1.5 m string is vibrating at its fundamental frequency of 440 Hz. What is the speed of the standing wave on the string?
a)
147 m/s
b)
293 m/s
c)
660 m/s
d)
1320 m/s
63.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)
pitch
d)
amplitude
64.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
65.

The pitch of a sound wave relates to the wave's _________________.

a)

Amplitude

b)

Frequency

c)

Wavelength

d)

Period

66.

What is the Doppler Effect?

a)

A change in frequency due to the relative motion of a wave source and an observer

b)

When a wave overlaps with another wave

c)

When a wave bounces off of another object

d)

When a wave bends due to traveling through a different medium

67.

An ambulance is driving towards you as you stand on the sidewalk. What happens to the pitch of the siren as it comes towards you?

a)

It increases

b)

It decreases

68.

You are driving in a car and honk the horn at a person standing in the street. As you approach the person, what happens to the pitch of the horn according to you in the car?

a)

It increases

b)

It decreases

c)

It stays the same because you are in the car moving with the sound.

69.

Light can change color due to the Doppler Effect.

a)

True

b)

False

70.

You are standing on the side of the road when a police car races past you with its siren on. After the police car passes you, what happens to the pitch of the siren?

a)

It increases

b)

It decreases

c)

It turns red

71.

An astronomer looks at a star in the night sky. Based on his calculations the star's light is shifting towards the color blue. What does this mean about the star?

a)

It's moving towards the astronomer

b)

It's moving away from the astronomer

c)

It's not moving at all

72.

A car is not moving but the horn is on. You run towards the car to investigate what's going on. As you approach the car, what happens to the frequency of the sound waves from the horn?

a)

They increase

b)

They decrease

73.

Look at the picture. Who is experiencing a higher pitched sound?

a)

Observer A

b)

Observer B

c)

There's no difference

74.

Look at the picture. Who is experiencing a lower pitched sound?

a)

Observer A

b)

Observer B

c)

There is no difference

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