Question 1

Two identical sound producers will sound twice as loud as just one.

Accepted Answer

A) True 
 B)False

Question 2

Two speakers in a stereo emit identical pure tones.As you move around in front of the speakers,you hear the sound alternating between loud and zero.This occurs because of

Accepted Answer

A) interference. 
B) changing sound level. 
C) diffraction. 
D) the Doppler effect. 
E) shock waves. 
A) interference. 
B) changing sound level. 
C) diffraction. 
D) the Doppler effect. 
E) shock waves.

Question 3

What is meant by a wave medium?

Accepted Answer

A) a wave of moderate amplitude 
B) water 
C) air 
D) any material through which a wave travels 
A) a wave of moderate amplitude 
B) water 
C) air 
D) any material through which a wave travels

Question 4

When a force F stretches a rope of mass per unit length ρ,the velocity of a wave in the rope is given by  
-You have two ropes of the same length.The mass of the second rope is twice the mass of the first rope.The velocity of a wave in the second rope is ___________ the velocity of a wave in the first rope.

Accepted Answer

A) 1/2 
B)   
Times 
C) the same as 
D)   
Times 
E) 2 times 
A) 1/2 
B)   
Times 
C) the same as 
D)   
Times 
E) 2 times

Question 5

A wave moves in a rope with a certain wavelength.A second wave is made to move in the same rope with twice the wavelength of the first wave.The frequency of the second wave is _______________ the frequency of the first wave.

Accepted Answer

A) 1/2 
B) the same as 
C) 2 times 
D) unrelated to 
A) 1/2 
B) the same as 
C) 2 times 
D) unrelated to

Question 6

In the troposphere segment of the Earth's atmosphere,as you increase in altitude the temperature decreases.This means the speed of sound decreases as you increase in altitude.

Accepted Answer

A) True 
 B)False

Question 7

In the upper atmosphere at altitudes where commercial airlines travel,we find extremely cold temperatures.What is the speed of sound (in metric units)for a temperature of -49.0 oC?

Accepted Answer

A) 984.9 m/s 
B) 300.8 m/s 
C) 344.7 m/s 
D) 140.7 m/s 
A) 984.9 m/s 
B) 300.8 m/s 
C) 344.7 m/s 
D) 140.7 m/s

Question 8

As you move farther away from a source emitting a pure tone,the __________ of the sound you hear decreases.

Accepted Answer

The answer of As you move farther away from a...

Question 9

Two examples of a transverse wave are __________ and __________.

Accepted Answer

waves on a

Question 10

Match each item with the correct statement below.
-sound in air is an example of this type of wave

Accepted Answer

A) amplitude 
B) constructive interference 
C) destructive interference 
D) diffraction 
E) Doppler effect
F)frequency
G)longitudinal
H)pitch
I)ray
J)reflection
K)reverberation
L)sound level
M)transverse
N)ultrasound
O)waveform
P)wavelength 
A) amplitude 
B) constructive interference 
C) destructive interference 
D) diffraction 
E) Doppler effect
F)frequency
G)longitudinal
H)pitch
I)ray
J)reflection
K)reverberation
L)sound level
M)transverse
N)ultrasound
O)waveform
P)wavelength

Question 11

A sound level of 80 dB has __________ times the amplitude of a 60 dB sound.

Accepted Answer

The answer of A sound level of 80 dB has...

Question 12

Match each item with the correct statement below.
-the number of cycles of a wave passing a point per unit time

Accepted Answer

A) amplitude 
B) constructive interference 
C) destructive interference 
D) diffraction 
E) Doppler effect
F)frequency
G)longitudinal
H)pitch
I)ray
J)reflection
K)reverberation
L)sound level
M)transverse
N)ultrasound
O)waveform
P)wavelength 
A) amplitude 
B) constructive interference 
C) destructive interference 
D) diffraction 
E) Doppler effect
F)frequency
G)longitudinal
H)pitch
I)ray
J)reflection
K)reverberation
L)sound level
M)transverse
N)ultrasound
O)waveform
P)wavelength

Question 13

Reverberation can both inhibit conversation and enhance music.

Accepted Answer

A) True 
 B)False

Question 14

A complex tone can be produced by combining two or more __________.

Accepted Answer

The answer of A complex tone can be produced by...

Question 15

​Match each item with the correct statement below.
-multiple,random reflection of sound inside a room

Accepted Answer

A) amplitude 
B) constructive interference 
C) destructive interference 
D) diffraction 
E) Doppler effect
F)frequency
G)longitudinal
H)pitch
I)ray
J)reflection
K)reverberation
L)sound level
M)transverse
N)ultrasound
O)waveform
P)wavelength 
A) amplitude 
B) constructive interference 
C) destructive interference 
D) diffraction 
E) Doppler effect
F)frequency
G)longitudinal
H)pitch
I)ray
J)reflection
K)reverberation
L)sound level
M)transverse
N)ultrasound
O)waveform
P)wavelength

Question 16

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force.  
-The waves with the largest wavelength are waves __________ and ___________.

Accepted Answer

The answer of The figure shows a 'snapshot' of four...

Question 17

You can hear sound through an open window from sources that are not in your line of sight because of

Accepted Answer

A) interference. 
B) diffraction. 
C) the sound level. 
D) the Doppler effect. 
E) none of the above. 
A) interference. 
B) diffraction. 
C) the sound level. 
D) the Doppler effect. 
E) none of the above.

Question 18

The only way to make sound travel faster in air is to change the air's ____________.

Accepted Answer

The answer of The only way to make sound travel...

Question 19

The distance between two successive 'like' points on a wave is the wave's wavelength.

Accepted Answer

A) True 
 B)False

Question 20

The number of cycles of a wave passing a point per unit time is the wave's __________.

Accepted Answer

The answer of The number of cycles of a wave...

Two identical sound producers will sound twice as loud as just one.

Two speakers in a stereo emit identical pure tones.As you move around in front of the speakers,you hear the sound alternating between loud and zero.This occurs because of

What is meant by a wave medium?

A wave moves in a rope with a certain wavelength.A second wave is made to move in the same rope with twice the wavelength of the first wave.The frequency of the second wave is _______________ the frequency of the first wave.

In the troposphere segment of the Earth's atmosphere,as you increase in altitude the temperature decreases.This means the speed of sound decreases as you increase in altitude.

In the upper atmosphere at altitudes where commercial airlines travel,we find extremely cold temperatures.What is the speed of sound (in metric units)for a temperature of -49.0 ^oC?

As you move farther away from a source emitting a pure tone,the __________ of the sound you hear decreases.

Two examples of a transverse wave are and .

Match each item with the correct statement below. -sound in air is an example of this type of wave

A sound level of 80 dB has __________ times the amplitude of a 60 dB sound.

Match each item with the correct statement below. -the number of cycles of a wave passing a point per unit time

Reverberation can both inhibit conversation and enhance music.

A complex tone can be produced by combining two or more __________.

Match each item with the correct statement below. -multiple,random reflection of sound inside a room

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force. -The waves with the largest wavelength are waves and _.

You can hear sound through an open window from sources that are not in your line of sight because of

The only way to make sound travel faster in air is to change the air's ____________.

The distance between two successive 'like' points on a wave is the wave's wavelength.

The number of cycles of a wave passing a point per unit time is the wave's __________.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

Exam 6: Waves and Sound

Two identical sound producers will sound twice as loud as just one.

Two speakers in a stereo emit identical pure tones.As you move around in front of the speakers,you hear the sound alternating between loud and zero.This occurs because of

What is meant by a wave medium?

A wave moves in a rope with a certain wavelength.A second wave is made to move in the same rope with twice the wavelength of the first wave.The frequency of the second wave is _______________ the frequency of the first wave.

In the troposphere segment of the Earth's atmosphere,as you increase in altitude the temperature decreases.This means the speed of sound decreases as you increase in altitude.

In the upper atmosphere at altitudes where commercial airlines travel,we find extremely cold temperatures.What is the speed of sound (in metric units)for a temperature of -49.0 oC?

As you move farther away from a source emitting a pure tone,the __________ of the sound you hear decreases.

Two examples of a transverse wave are __________ and __________.

Match each item with the correct statement below. -sound in air is an example of this type of wave

A sound level of 80 dB has __________ times the amplitude of a 60 dB sound.

Match each item with the correct statement below. -the number of cycles of a wave passing a point per unit time

Reverberation can both inhibit conversation and enhance music.

A complex tone can be produced by combining two or more __________.

​Match each item with the correct statement below. -multiple,random reflection of sound inside a room

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force. -The waves with the largest wavelength are waves __________ and ___________.

You can hear sound through an open window from sources that are not in your line of sight because of

The only way to make sound travel faster in air is to change the air's ____________.

The distance between two successive 'like' points on a wave is the wave's wavelength.

The number of cycles of a wave passing a point per unit time is the wave's __________.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

In the upper atmosphere at altitudes where commercial airlines travel,we find extremely cold temperatures.What is the speed of sound (in metric units)for a temperature of -49.0 ^oC?

Two examples of a transverse wave are and .

Match each item with the correct statement below. -multiple,random reflection of sound inside a room

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force. -The waves with the largest wavelength are waves and _.