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Waves - General and Sound

Total questions: 72

Worksheet time: 1hrs 19mins

Name
Class
Date
1.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
2.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
3.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
4.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
5.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
6.
What medium does sound travel through slowest?
a)
gas
b)
solid
c)
liquid
d)
trees
7.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
8.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

trough

d)

wavelength

9.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
10.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast 
11.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
12.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
13.
The type of waves that require medium to pass:
a)
Mechanical Waves
b)
Electromagnetic Waves
14.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
16.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
16.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
17.
A mechanical wave cannot travel through...
a)
a vacuum(empty space).
b)
water.
c)
air. 
d)
glass.
18.
Which letter(s) represent the trough of the wave?
a)
A
b)
B & D
c)
D
d)
C & G
19.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
20.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
21.
Which of the following can sound travel through?
a)
solid
b)
liquid
c)
gas
d)
all of the above
22.
crest to crest or trough to trough
a)
crest
b)
trough
c)
amplitude
d)
wavelength
23.
Electromagnetic waves include the following except
a)
radio waves
b)
X-rays
c)
doing the wave at a football game
d)
microwaves
24.
When a wave strikes and object and bounces off. (example echo)
a)
medium
b)
refraction
c)
reflection
d)
interference
25.

A 680 Hz sound wave travels at 340 m/s in air, with a wavelength of...

a)

50 m

b)

0.5 m

c)

2.0 m

d)

5 m

26.

A wave oscillates up and down 5 complete times within 1 second. The wave's wavelength is 4 meters long. What is the wave's speed?

a)

20 m/s

b)

0.8 m/s

c)

.05 m/s

d)

1.25 m/s

27.

What is the approximate wavelength of this wave?

a)

100 cm

b)

120 cm

c)

35 cm

d)

110 cm

28.

What is the approximate amplitude of the wave shown?

a)

35 cm

b)

30 cm

c)

70 cm

d)

75 cm

29.

An echo is heard exactly 2.0 seconds after you and a group of friends make a loud holler. How far away is the wall that the sound wave made a reflection off of?

a)

340 meters

b)

170 meters

c)

85 meters

d)

680 meters

30.

If the speed of sound at 0 degrees Celcius is 330 m/s, how fast will it travel at 5 degrees Celcius?

a)

203 m/s

b)

342 m/s

c)

340 m/s

d)

333 m/s

31.

This graph represents the relationship between...

a)

Frequency and wavelength

b)

Wavelength and energy

c)

Frequency and energy

d)

sound and speed

32.

What is the speed of a sound wave that is travelling through air that has a temperature of 35 degrees celcius?

a)

239 m/s

b)

351 m/s

c)

364 m/s

d)

343 m/s

33.

What is the speed of sound at room temperature?

a)

330 m/s

b)

340 m/s

c)

300 m/s

d)

360 m/s

34.

The speed of sound depends on

a)

Its source

b)

the force of its compressions

c)

The number of waves per second

d)

the medium through which it travels

35.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
36.

Select the correct order of waves on the EMS going from largest to shortest wavelength

a)

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

b)

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

c)

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

d)

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

37.

Mechanical waves, like sound waves, require a medium through which to travel?

a)

true

b)

false

38.

Electromagnetic radiation (i.e. light) requires a medium through which to travel?

a)

true

b)

false

39.

The height measured from the rest position/equilibrium position line to the top of a wave's crest(or the bottom of a trough) is called the __________.

a)

amplitude of the wave

b)

wavelength of the wave

c)

frequency of the wave

d)

speed of the wave

40.

Light travels at about _______________.

a)

300,000 m/s

b)

300,000,000 km/s

c)

300,000,000 km/h

d)

300,000,000m/s

41.

Standing waves are created by

a)

Two identical waves reflecting off each other

b)

Two identical waves being diffracted together

c)

Two identical waves move through each other in opposite directions

d)

Two identical waves are diffracted from two identical sources

42.
What kind of wave is pictured?
a)
Transverse
b)
Longitudinal
c)
surface
d)
none of the above
43.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
44.
The wave in this picture represents a ____ wave.
a)
transverse
b)
longitudinal
c)
mechanical
d)
electromagnetic
45.
_______ is the number of waves that past in a given amount of time.
a)
frequency
b)
amplitude
c)
wavelength
d)
resonance
46.
Velocity= 600 m/s
Wavelength= 2.0m
Frequency= _________
a)
300 hertz
b)
.0033 hertz
c)
3000 hertz
47.
Velocity= 12 m/s
Wavelength= __________
Frequency= 600 hertz
a)
7200 m
b)
0.02 m
c)
612 m
48.

Which wave has a greater frequency?

a)

A

b)

B

49.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
50.

Which shows the EM spectrum in order from longest to shortest wavelength?

a)

Gamma, X-Ray, UV, Visible, IR, Microwaves, Radio

b)

Radio, Microwaves, IR, Visible, UV, X-Ray, Gamma

c)

Visible, UV, X-Ray, Gamma, Radio, Microwaves, IR

d)

Visible, Radio, Microwaves, IR, UV, X-Ray, Gamma

51.

How are frequency and wavelength related?

a)

As frequency increases, wavelength gets shorter

b)

As frequency increases, wavelength gets longer

c)

As frequency increases, wavelength gets lower

d)

As frequency increases, wavelength gets higher

52.
1.  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
53.

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

a)

34 m/s

b)

34 hz

c)

3400 m/s

d)

3400 Hz

54.

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

a)

5 m

b)

5 Hz

c)

125 m

d)

125 Hz

55.

20 waves go past a fixed point in 10 seconds. What is the frequency of the wave?

a)

20 seconds

b)

20 Hz

c)

2 Hz

d)

2

56.

Six waves go past a fixed point in two seconds. What is the frequency of the wave?

a)

3

b)

6 Hz

c)

3 Hz

d)

2

57.

A wave has a frequency of 6 Hz. What is the period of the wave?

a)

0.167 s

b)

6 m

c)

0.167

d)

6 Hz

58.

A wave has a frequency of 50 Hz. What is the period of the wave?

a)

2 m

b)

0.02

c)

25 m

d)

0.02 s

59.

Compared to a low pitch wave, a high pitch wave will have a

a)

higher frequency and shorter wavelength

b)

higher frequency and longer wavelength

c)

larger amplitude and shorter wavelength

d)

smaller amplitude and shorter wavelength

60.

The speed of sound varies when the medium it passes through changes. For example, the speed of sound through air is 343 m/s. A boat mapping the seafloor near Greenland determines after a 12-second ping, the depth is 8100 meters. What is the speed of sound in this cold, icy water?


Distance (Depth) = Velocity x (Total time/2)

a)

1875m/s

b)

48,600m/s

c)

675m/s

d)

1350m/s

61.

If the depth of the ocean floor is 7500 meters, how long does it take sound waves to reach the bottom of the ocean?


Distance (Depth) = Velocity x (Total time/2)

Velocity of sound in water = 1500 m/s

a)

10sec

b)

5sec

c)

11,250,000sec

d)

0.2sec

62.

The time for sound waves to return to a ship from just the bottom of the ocean was 1.25 seconds. What is the depth in meters?


Distance (Depth) = Velocity x (Total time/2)

Velocity of sound in water = 1500 m/s

a)

937.5m

b)

1875m

c)

10050m

d)

1200m

63.

If the depth of the ocean floor is 12000 meters, how long, in total time, does it take sound waves to return to the SONAR detector?


Distance (Depth) = Velocity x (Total time/2)

Velocity of sound in water = 1500 m/s

a)

16sec

b)

8sec

c)

18,000,000sec

d)

36,000,000sec

64.

If the depth of the ocean floor is 9000 meters, how long, in total time, does it take sound waves to return to the SONAR detector?


Distance (Depth) = Velocity x (Total time/2)

Velocity of sound in water = 1500 m/s

a)

13,500,000sec

b)

12sec

c)

0.17sec

d)

3sec

65.

The total time for sound waves to return to a ship was 4.5 seconds after being released. What is the depth in meters?


Distance (Depth) = Velocity x (Total time/2)

Velocity of sound in water = 1500 m/s

a)

6750m

b)

333.33m

c)

667m

d)

3375m

66.

The total time for sound waves to return to a ship was 8 seconds after being released. What is the depth in meters?


Distance (Depth) = Velocity x (Total time/2)

Velocity of sound in water = 1500 m/s

a)

12,000m

b)

6000m

c)

375m

d)

187.5m

67.

Compared to the speed of light, sound travels

a)

faster

b)

slower

c)

same speed

68.

The speed of a sound wave depends on the...

a)

wavelength

b)

frequency

c)

medium through which it travels through

d)

all of the above

69.

A wave has a frequency of 0.07 hertz and a wavelength of 10 meters. What is the wave's speed?

a)

.07 m/s

b)

0.7 m/s

c)

2.0 m/s

70.

Dan and his friends are in a canyon and his echo is heard 1.0 seconds after making the holler. What is the distance to the canyon wall? (assume the speed is 340 m/s)

a)

170 m

b)

680 m

c)

165 m

d)

340 m

71.

What is the best estimate of the frequency?

a)

0.4 Hz

b)

0.8 Hz

c)

2.5 Hz

d)

1.25 Hz

72.

What is the amplitude of this transverse wave?

a)

About 38 cm

b)

about 160 cm

c)

about 20 cm

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