Question 1

Which of the following can change the frequency of a wave?

Accepted Answer

A) interference 
B) the Doppler effect 
C) diffraction 
D) all of the above 
A) interference 
B) the Doppler effect 
C) diffraction 
D) all of the above

Question 2

Match each item with the correct statement below.
-occurs when sound passes through an open window

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 3

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 half the frequency of the first wave.

Accepted Answer

A) True 
 B)False

Question 4

Combining two sounds of equal intensity will give a sound level ___________ than the sound level due to just one of them.

Accepted Answer

A) twice as loud 
B) 3 dB higher 
C) 10 dB higher 
D) 2 dB higher 
A) twice as loud 
B) 3 dB higher 
C) 10 dB higher 
D) 2 dB higher

Question 5

​Match each item with the correct statement below.
-line used to show the path of 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

Question 6

For waves moving through the atmosphere at a constant velocity,higher frequency waves must have proportionally longer wavelengths.

Accepted Answer

A) True 
 B)False

Question 7

Match each item with the correct statement below.
-the maximum displacement of 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

Question 8

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

Accepted Answer

A) 92 dB 
B) 84 dB 
C) 86 dB 
D) none of the above 
A) 92 dB 
B) 84 dB 
C) 86 dB 
D) none of the above

Question 9

Match each item with the correct statement below.
-sound waves used to form images of internal organs

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 10

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

Accepted Answer

The answer of The maximum displacement of points on a...

Question 11

The distance between peaks on a wave divided by the time for the wave to travel this distance 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 12

If the speed of a continuous wave is constant,as you increase the frequency of the wave,the wave must have a proportionally _________ wavelength

Accepted Answer

The answer of If the speed of a continuous wave...

Question 13

The wavelength of a wave multiplied by the frequency of the wave is the wave's __________.

Accepted Answer

The answer of The wavelength of a wave multiplied by...

Question 14

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 pull on a rope with a certain force,and a wave travels in the rope with a certain velocity.If you double your force,the velocity of a wave in the rope is now   
times the original velocity.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) ten times 
B) twenty times 
C) one tenth 
D) twice 
A) ten times 
B) twenty times 
C) one tenth 
D) twice

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force.  
-The wave where the speed is greatest 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 18

When two identical waves arrive at the same place in phase,there is destructive interference.

Accepted Answer

A) True 
 B)False

Question 19

If you move twice as far away from a lawn mower running in an open field,the amplitude of the sound you hear will be ___________ what it was before.

Accepted Answer

A) the same as 
B) twice 
C) half 
D) four times 
E) one fourth 
A) the same as 
B) twice 
C) half 
D) four times 
E) one fourth

Which of the following can change the frequency of a wave?

Match each item with the correct statement below. -occurs when sound passes through an open window

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 half the frequency of the first wave.

Combining two sounds of equal intensity will give a sound level ___________ than the sound level due to just one of them.

Match each item with the correct statement below. -line used to show the path of a wave

For waves moving through the atmosphere at a constant velocity,higher frequency waves must have proportionally longer wavelengths.

Match each item with the correct statement below. -the maximum displacement of points on a wave

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

Match each item with the correct statement below. -sound waves used to form images of internal organs

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

The distance between peaks on a wave divided by the time for the wave to travel this distance is the wave's

If the speed of a continuous wave is constant,as you increase the frequency of the wave,the wave must have a proportionally _________ wavelength

The wavelength of a wave multiplied by the frequency of the wave is the wave's __________.

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 pull on a rope with a certain force,and a wave travels in the rope with a certain velocity.If you double your force,the velocity of a wave in the rope is now times the original velocity.

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

A source emits sound at a fixed constant frequency f. -If you run towards the source,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 where the speed is greatest is

When two identical waves arrive at the same place in phase,there is destructive interference.

If you move twice as far away from a lawn mower running in an open field,the amplitude of the sound you hear will be ___________ what it was before.

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

Which of the following can change the frequency of a wave?

Match each item with the correct statement below. -occurs when sound passes through an open window

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 half the frequency of the first wave.

Combining two sounds of equal intensity will give a sound level ___________ than the sound level due to just one of them.

​Match each item with the correct statement below. -line used to show the path of a wave

For waves moving through the atmosphere at a constant velocity,higher frequency waves must have proportionally longer wavelengths.

Match each item with the correct statement below. -the maximum displacement of points on a wave

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

Match each item with the correct statement below. -sound waves used to form images of internal organs

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

The distance between peaks on a wave divided by the time for the wave to travel this distance is the wave's

If the speed of a continuous wave is constant,as you increase the frequency of the wave,the wave must have a proportionally _________ wavelength

The wavelength of a wave multiplied by the frequency of the wave is the wave's __________.

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 pull on a rope with a certain force,and a wave travels in the rope with a certain velocity.If you double your force,the velocity of a wave in the rope is now times the original velocity.

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

A source emits sound at a fixed constant frequency f. -If you run towards the source,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 where the speed is greatest is

When two identical waves arrive at the same place in phase,there is destructive interference.

If you move twice as far away from a lawn mower running in an open field,the amplitude of the sound you hear will be ___________ what it was before.

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

Match each item with the correct statement below. -line used to show the path of a wave