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Physics Waves Review

Total questions: 49

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
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
2.

For a system in simple harmonic motion, which of the following is the number of cycles per second?

a)

amplitude

b)

period

c)

frequency

d)

revolution

3.
What is the period on Earth of a pendulum with a length of 2.4 m?
a)
3.1 sec
b)
1.9 sec
c)
9.3 sec
d)
5.1 sec
4.

A simple harmonic oscillator takes 4.8 s to undergo five complete wave cycles. What is the frequency of the wave? 

a)

1.04 Hz

b)

4.8 Hz

c)

1/4.8 Hz

5.

A simple harmonic oscillator takes 4.8 s to undergo five complete vibrations. What is the period of the wave?

a)

4.8 s

b)

.96 s

c)

9.8 s

6.
What is the frequency of a pendulum that has a period of 10 s?
a)
10 Hz
b)
1/1000 Hz
c)
.1 Hz
7.
The period of a pendulum may be decreased by
a)

Increasing the mass of the bob

b)

increasing the amplitude of the swing

c)

decreasing the mass of the bob

d)

shortening the length of pendulum

8.

Which would have the longest period?

Pendulum A: A 200-g mass attached to a 1.0-m length string

Pendulum B: A 400-g mass attached to a 0.5-m length string

a)

A

b)

B

c)

They are the same

9.

Define amplitude.

a)

maximum displacement from equlibrium position

b)

total displacement

c)

maximum distance from where the object is released

10.

What is the amplitude?

a)

10 cm

b)

20 cm

c)

-10 cm

d)

4 cm

e)

5 cm

11.

What is the period for this waveform?

a)

2 s

b)

1 s

c)

4 s

d)

0.75 s

12.

What type of interference is represented in this diagram?

a)

Constructive

b)

Destructive

13.

What type of interference is represented in the diagram?

a)

Constructive

b)

Destructive

14.

What type of interference do noise cancelling headphones use?

a)

Constructive Interference

b)

Destructive Interference

15.

True or False: When two waves meet, they will bounce off of one another after interfering.

a)

True

b)

False

16.

If waves overlap and are in phase, how will that affect the resultant wave?

a)

Decrease the amplitude

b)

Increase the amplitude

c)

Decrease the frequency

d)

Increase the frequency

17.

Two transverse waves overlap.  Crests overlap with troughs.  Troughs overlap with crests.  The waves are _______.

a)
In-phase
b)
Out-of-phase
c)
In-synchronicity
d)
Out-of-synchronicity
18.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
19.
High frequency waves have _________ wavelength.
a)
varying
b)
high
c)
the same
d)
low
20.

Which symbol is used for wavelength?

a)

λ\lambda  

b)

f

c)

WS

d)

p

21.

Find the wavelength of a wave that has a frequency of 400 Hz traveling at 300 m/s

a)

0.75m

b)

1.33m

c)

100m

d)

120,000m

22.

What is the frequency of a wave that has a wavelength of 2.5m traveling at a speed of 750m/s

a)

300 Hz

b)

0.0033 Hz

c)

1,875 Hz

d)

747.5 Hz

23.

This string is in the

a)

1st harmonic

b)

2nd harmonic

c)

3rd harmonic

d)

4th harmonic

24.
How many wavelengths are there on a string vibrating at its fundamental frequency?
a)
1/4
b)
1/2
c)
1
d)
2
25.

when a noise is moving towards an observer, the closer it comes...

a)

the lower the pitch

b)

the longer the noise

c)

the higher the pitch

d)

the quieter the noise

26.
What do waves carry from place to place?
a)
Energy, but not matter or particles
b)
Energy and matter or particles
c)
Matter or particles but not energy
d)
Neither energy nor matter or particles
27.
Which of the following can sound travel through?
a)
solid
b)
liquid
c)
gas
d)
all of the above
28.
What type of wave is this?
a)
Longitudinal
b)
Transverse
29.
In what type of wave does the medium move perpendicular to the movement of the wave?
a)
Transverse
b)
Longitudinal
c)
Electromagnetic
d)
Radio
30.
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
31.

In the diagram which letters represent the nodes

a)

A B C

b)

A C E

c)

B D

d)

B D E

e)

A C D

32.

A violin string is of length 0.54 m and has a wave speed of 565 m/s along it. Calculate the frequency of the 3rd harmonic.

a)

1046.3 HZ

b)

282.5 Hz

c)

2615 Hz

d)

1569 Hz

33.

The wave position at the moving black dot is called:

a)
a node
b)
an anti-node
c)
an anti-amplitude
d)
the wangy bit
34.

How many antinodes does this standing wave have?

a)

5

b)

6

c)

7

d)

8

35.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down). 
c)
Moving to the West (left). 
d)
Moving to the East (right). 
36.
What can you tell about the motion of this object?
a)
Moving left.
b)
Moving right quickly.
c)
Standing still. 
d)
Moving up slowly. 
37.

As dad escapes from his kids, he hears them yelling

a)

lower pitched than they would normally.

b)

higher pitched than they would normally.

c)

the same pitch they would normally.

38.

Cupcake girl hears the TV

a)

at a higher pitch

b)

at a lower pitch

c)

at an alternately higher and lower pitch

d)

at the same she would if she were sitting still

39.

What is the Doppler effect?

a)

The observed change in frequency of sound or light because of the relative motion of a wave source and the observer.

b)

The observed change in amplitude of sound or light because of the relative motion of a wave source and the observer.

c)

The observed change in wave speed of sound or light because of the relative motion of a wave source and the observer.

d)

The observed change in equilibrium position of sound or light because of the relative motion of a wave source and the observer.

40.
a phenomenon that occurs when the frequency of forced vibrations on an object matches the object's natural frequency
a)
amplitude
b)
pitch
c)
resonance
d)
wavelength
41.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
42.
The wave in this picture represents a ____ wave.
a)
transverse
b)
longitudinal
c)
mechanical
d)
electromagnetic
43.

When a plane moves faster than the speed of sound and breaks the sound barrier:

a)

The Doppler effect is observed

b)

A sonic boom is produced

c)

The plane will slow down

d)

A infrared light will be produced

44.

What is the wavelength of the pictured wave if the length of the string is 10 m?

a)

2 m

b)

4 m

c)

5 m

d)

10 m

45.

Both sound and light waves can travel through a vacuum.

a)

True

b)

False

46.

Sound waves travel faster through air as the temperature of the air increases.

a)

True

b)

False

47.

Waves that require a medium to travel are known as:

a)

Mechanical Waves

b)

Non-Mechanical Waves

c)

Electromagnetic Waves

d)

Sine Waves

48.

Which of the following is NOT an example of an electromagnetic wave?

a)

Visible Light

b)

Radio Waves

c)

Ultraviolet Waves

d)

Infrasonic Waves

49.

Sound waves would travel fastest through:

a)

Lake Michigan

b)

A steel bridge

c)

The Air

d)

A swimming pool