Question 1

Choose the correct statement.

Accepted Answer

A) The perceived pitch of a sound usually doesn't depend on the sound's frequency. 
B) The frequency of each musical note is 10 Hz higher than that of the next lower note. 
C) The decibel is the standard measure of tone quality. 
D) The perceived loudness of a sound depends somewhat on frequency. 
A) The perceived pitch of a sound usually doesn't depend on the sound's frequency. 
B) The frequency of each musical note is 10 Hz higher than that of the next lower note. 
C) The decibel is the standard measure of tone quality. 
D) The perceived loudness of a sound depends somewhat on frequency.

Question 2

Sound waves propagate in

Accepted Answer

A) one dimension. 
B) two dimensions. 
C) three dimensions. 
D) four dimensions. 
A) one dimension. 
B) two dimensions. 
C) three dimensions. 
D) four dimensions.

Question 3

The fourth harmonic of a complex tone has a frequency of 600 Hz.What is the frequency of the tone?

Accepted Answer

The answer of The fourth harmonic of a complex tone...

Question 4

You put one ear on a steel railroad track while your friend a distance of 400 m away taps on the rail with a stone.You will hear the sound through the steel rail in _________ and through the air where the speed of sound is 344 m/s in _______.

Accepted Answer

A) 0.08 s 
B) 0.5 s 
C) 1.2 s 
D) 2.4 s 
A) 0.08 s 
B) 0.5 s 
C) 1.2 s 
D) 2.4 s

Question 5

What is the symbol traditionally used to represent wavelength?

Accepted Answer

A) wl 
B) y 
C) μ 
D) λ 
A) wl 
B) y 
C) μ 
D) λ

Question 6

The maximum displacement of points on a wave from the equilibrium position is the wave's

Accepted Answer

A) speed. 
B) frequency. 
C) wavelength. 
D) amplitude. 
E) loudness. 
A) speed. 
B) frequency. 
C) wavelength. 
D) amplitude. 
E) loudness.

Question 7

When the frequency of the source of a water wave increases,the distance between successive peaks in the wave increases.

Accepted Answer

A) True 
 B)False

Question 8

A source emits sound at a fixed constant frequency f.
-If the source moves away from you,the frequency you hear is lower than F

Accepted Answer

A) True 
 B)False

Question 9

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 identical ropes stretched with the same force between two different sets of posts.The second rope is twice as long as 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 10

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force.  
-The wave with the largest amplitude is

Accepted Answer

A) I. 
B) II. 
C) III. 
D) IV. 
E) all of the above. 
A) I. 
B) II. 
C) III. 
D) IV. 
E) all of the above.

Question 11

Increasing the speed of waves on a guitar string increases the _________ of the sound it produces.

Accepted Answer

frequency

Question 12

A zero decibel sound level

Accepted Answer

A) has zero amplitude. 
B) is nonsense. 
C) is just at the threshold of hearing. 
D) none of the above 
A) has zero amplitude. 
B) is nonsense. 
C) is just at the threshold of hearing. 
D) none of the above

Question 13

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

Accepted Answer

The answer of You can hear sound through an open...

Question 14

An echo is a sound wave that has been

Accepted Answer

A) diffracted. 
B) refracted. 
C) reflected. 
D) reverberated. 
E) amplified. 
A) diffracted. 
B) refracted. 
C) reflected. 
D) reverberated. 
E) amplified.

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

As you increase in altitude in the atmosphere,the speed of sound _________.

Accepted Answer

The answer of As you increase in altitude in the...

Question 17

If one lawn mower causes an 80-dB sound level at a nearby point,what sound level at that point would four lawnmowers together cause?

Accepted Answer

The answer of If one lawn mower causes an 80-dB...

Question 18

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 -53.0 oC?

Accepted Answer

Question 19

You listen to a live orchestra concert from a cheap seat far away,high up in the balcony.The music seems to be a little out of sync with the conductor's beat.Why?

Accepted Answer

A) The musicians are paying no attention to the conductor. 
B) You are noticing a time lag due to the finite speed of sound. 
C) The orchestra is not very good. 
D) The viola section is dragging. 
A) The musicians are paying no attention to the conductor. 
B) You are noticing a time lag due to the finite speed of sound. 
C) The orchestra is not very good. 
D) The viola section is dragging.

Question 20

Match each item with the correct statement below.
-the distance between two successive 'like' points on a 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

Choose the correct statement.

Sound waves propagate in

The fourth harmonic of a complex tone has a frequency of 600 Hz.What is the frequency of the tone?

You put one ear on a steel railroad track while your friend a distance of 400 m away taps on the rail with a stone.You will hear the sound through the steel rail in ___ and through the air where the speed of sound is 344 m/s in _.

What is the symbol traditionally used to represent wavelength?

The maximum displacement of points on a wave from the equilibrium position is the wave's

When the frequency of the source of a water wave increases,the distance between successive peaks in the wave increases.

A source emits sound at a fixed constant frequency f. -If the source moves away from you,the frequency you hear is lower than F

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force. -The wave with the largest amplitude is

Increasing the speed of waves on a guitar string increases the _________ of the sound it produces.

A zero decibel sound level

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

An echo is a sound wave that has been

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

As you increase in altitude in the atmosphere,the speed of sound _________.

If one lawn mower causes an 80-dB sound level at a nearby point,what sound level at that point would four lawnmowers together cause?

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 -53.0 ^oC?

You listen to a live orchestra concert from a cheap seat far away,high up in the balcony.The music seems to be a little out of sync with the conductor's beat.Why?

Match each item with the correct statement below. -the distance between two successive 'like' points on a wave

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

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Exam 6: Waves and Sound

Choose the correct statement.

Sound waves propagate in

The fourth harmonic of a complex tone has a frequency of 600 Hz.What is the frequency of the tone?

You put one ear on a steel railroad track while your friend a distance of 400 m away taps on the rail with a stone.You will hear the sound through the steel rail in _________ and through the air where the speed of sound is 344 m/s in _______.

What is the symbol traditionally used to represent wavelength?

The maximum displacement of points on a wave from the equilibrium position is the wave's

When the frequency of the source of a water wave increases,the distance between successive peaks in the wave increases.

A source emits sound at a fixed constant frequency f. -If the source moves away from you,the frequency you hear is lower than F

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force. -The wave with the largest amplitude is

Increasing the speed of waves on a guitar string increases the _________ of the sound it produces.

A zero decibel sound level

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

An echo is a sound wave that has been

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

As you increase in altitude in the atmosphere,the speed of sound _________.

If one lawn mower causes an 80-dB sound level at a nearby point,what sound level at that point would four lawnmowers together cause?

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 -53.0 oC?

You listen to a live orchestra concert from a cheap seat far away,high up in the balcony.The music seems to be a little out of sync with the conductor's beat.Why?

Match each item with the correct statement below. -the distance between two successive 'like' points on a wave

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

You put one ear on a steel railroad track while your friend a distance of 400 m away taps on the rail with a stone.You will hear the sound through the steel rail in ___ and through the air where the speed of sound is 344 m/s in _.

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 -53.0 ^oC?