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Mechanical Wave

Total questions: 45

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

Identify - A

a)

crest

b)

trough

c)

wavelength

d)

amplitude

2.

Identify - C

a)

crest

b)

trough

c)

wavelength

d)

amplitude

3.

Identify - C

a)

crest

b)

trough

c)

wavelength

d)

amplitude

4.

Identify - D

a)

crest

b)

trough

c)

wavelength

d)

amplitude

5.
The wave depicted is a _______.
a)
Surface wave
b)
Transverse wave
c)
Longitudinal wave
d)
electromagnetic wave
6.

The wave depicted is a _______(the general type of wave that makes up light waves).

a)

Surface wave

b)

Transverse wave

c)

Longitudinal wave

d)

electromagnetic wave

7.
The wave depicted is a _______.
a)
Surface wave
b)
Transverse wave
c)
Longitudinal wave
d)
electromagnetic wave
8.
The wave depicted is a _______.
a)
Surface wave
b)
Transverse wave
c)
Longitudinal wave
d)
electromagnetic wave
9.
The picture depicts which specific wave behavior?
Bending of a wave as it enters a new medium at an angle.
a)
diffraction
b)
refraction
c)
reflection
d)
interference
10.
The picture depicts which specific wave behavior?

Bending of a wave as it enters a new medium at an angle .
a)
diffraction
b)
refraction
c)
reflection
d)
interference
11.
The picture depicts which specific wave behavior?

A wave bounces off a surface that it cannot pass through.
a)
diffraction
b)
refraction
c)
reflection
d)
interference
12.
The picture depicts which specific wave behavior?

A wave bends as they approach a coastline.  Part of the wave slows in the shallow areas; deeper areas continue with the orginal speed.
a)
diffraction
b)
refraction
c)
reflection
d)
interference
13.
The picture depicts which specific wave behavior?

Bending of a wave as it enters a new medium at an angle .
a)
diffraction
b)
refraction
c)
reflection
d)
interference
14.
The image depicts which type of interference?
a)
Constructive
b)
Destructive
15.
The image depicts which type of interference?
a)
Constructive
b)
Destructive
16.
Sound travels fastest in which type of medium?
a)
solid
b)
liquid
c)
air
d)
plasma
17.
Sound travels slowest in which type of medium?
a)
solid
b)
liquid
c)
air
d)
plasma
18.
Ultrasonic sounds are
a)
above 20,000 Hz
b)
below 20,000 Hz
19.
Infrasonic sounds are
a)
above 20 Hz
b)
below 20 Hz
20.
During a Doppler effect -
There is a ____ frequency as the source approaches and there is a ____ frequency as the sound source moves away.
a)
ultrasonic pitch; infrasonic pitch
b)
Infrasonic pitch; ultrasonic pitch
c)
higher pitch; lower pitch
d)
Lower pitch; higher pitch
21.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
22.
The type of waves that require medium to pass:
a)
Mechanical Waves
b)
Electromagnetic Waves
23.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
24.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
25.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
d)
medium
26.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
27.
The units for frequency are measured in _____________.
a)
hertz
b)
seconds
c)
m/s
d)
m
28.
Amplitude reflects the amount of ____________________ in a wave.
a)
energy
b)
compression
c)
rarefaction
d)
speed
29.
What is the wavelength of the sound wave that has a frequency of 340 hertz as it travels through the air at 680 m/s?
a)
0.01 m
b)
0.5 m
c)
2.0 m
d)
200 m
30.
What is the speed of a sound wave that has a frequency of 250 hertz and a wavelength of 8 meters? 
a)
31 m/s
b)
250 m/s
c)
2000 m/s
d)
5280 m/s
31.
What are the spaced out sections of this wave called?
a)
Reflections
b)
Rarefactions
c)
Compressions
d)
Wavelengths
32.

The SI unit for λ is ________.

a)

m

b)

m/s

c)

hertz

d)

s

33.

The SI unit for wave velocity is ________.

a)

m

b)

m/s

c)

hertz

d)

s

34.

What are the compressed sections of this wave called?

a)

Reflections

b)

Rarefactions

c)

Compressions

d)

Wavelengths

35.

The human perception of sound waves; measured in decibels (dB)

a)

frequency

b)

hertz

c)

loudness

d)

intensity

36.
When the car moves AWAY from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
37.
When an ambulance move TOWARD you it sounds ________ pitched. 
a)
high
b)
low
c)
medium
38.
The Doppler effect is seen when a wave-making source moves toward an observer. 
a)
True
b)
False
39.
When a car moves towards you, the sound of its horn seems relatively...
a)
Low pitched
b)
High pitched
c)
Normal
40.

The _____ of a wave is the distance a wave oscillates from its rest position.

a)

Amplitude

b)

wavelength

c)

hertz

d)

meters

41.

Determine Wavelength

Frequency is 74.78Hz

Speed is 23.38m/s

a)

0.3732m

b)

1748m

c)

3.198m

d)

1.748m

42.

Determine Frequency

Wavelength is 156.72m

Speed is 350.86m/s

a)

0.4467Hz

b)

54,986Hz

c)

2.2388Hz

d)

2.23Hz

43.

Determine Speed

Wavelength is 7.469m

Frequency is 56.1Hz

a)

7.51m/s

b)

419.010m/s

c)

419m/s

d)

0.1331m/s

44.

Determine Speed

Wavelength is 0.01592km

Frequency is 38.81Hz

a)

0.6179m/s

b)

2438m/s

c)

617.9m/s

d)

4.102m/s

45.

Determine Frequency

Wavelength is 8716mm

Speed is 322.4m/s

a)

2,810,000Hz

b)

27.03Hz

c)

0.0370Hz

d)

36.99Hz

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