Question 1

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

Accepted Answer

The answer of Combining two sounds of equal intensity will...

Question 2

Doppler radar can

Accepted Answer

A) catch speeders. 
B) measure the speed of a pitcher's fastball. 
C) detect tornadoes. 
D) do all of the above. 
A) catch speeders. 
B) measure the speed of a pitcher's fastball. 
C) detect tornadoes. 
D) do all of the above.

Question 3

A huge explosion is heard 20 miles away.How long does it take the sound to travel that far? (20 miles = 32,000 meters)

Accepted Answer

The answer of A huge explosion is heard 20 miles...

Question 4

The wavelength of ultrasound at 1 million Hz in air where the speed of sound is 340 m/s is

Accepted Answer

A) 0.00000034 m. 
B) 0.0000034 m. 
C) 0.00034 m. 
D) 0.34 m. 
E) 340,000,000 m. 
A) 0.00000034 m. 
B) 0.0000034 m. 
C) 0.00034 m. 
D) 0.34 m. 
E) 340,000,000 m.

Question 5

Telephones don't transmit frequencies above 3,400 Hz.Musical notes should sound normal over the telephone as long as they are below 3,400 Hz.

Accepted Answer

A) True 
 B)False

Question 6

A sound wave in a metal bar is an example of a longitudinal wave.

Accepted Answer

A) True 
 B)False

Question 7

If you increase the linear mass density of a rope,the speed of a wave on the rope also increases.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) remains unchanged. 
B) increases. 
C) decreases. 
D) cannot be determined. 
A) remains unchanged. 
B) increases. 
C) decreases. 
D) cannot be determined.

Question 9

-Which of these shows one cycle of the wave?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 10

-The wavelength of the wave shown in this figure is about

Accepted Answer

A) 2 m. 
B) 1.75 m. 
C) 0.33 m. 
D) not defined. 
E) slightly over 5 m. 
A) 2 m. 
B) 1.75 m. 
C) 0.33 m. 
D) not defined. 
E) slightly over 5 m.

Question 11

A _________ wave is one with its oscillations perpendicular to the direction of propagation.

Accepted Answer

The answer of A _________ wave is one with its...

Question 12

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

Accepted Answer

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

Question 13

A source emits sound at a fixed constant frequency f.
-If the temperature of the air rises,the frequency you hear is higher than F

Accepted Answer

A) True 
 B)False

Question 14

The figure shows a 'snapshot' of four different waves in identical ropes stretched with the same force.  
-The wave with the largest frequency 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 15

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

The answer of Two speakers in a stereo emit identical...

Question 16

In a plane wave,the wavefronts are

Accepted Answer

A) circular. 
B) flat. 
C) parallel. 
D) perpendicular to the direction of propagation. 
A) circular. 
B) flat. 
C) parallel. 
D) perpendicular to the direction of propagation.

Question 17

You are on an island where a huge explosion at a distance of 500 miles away can be heard.How long (in seconds)does it take the sound to travel to your location? Assume the temperature of the air is 20 oC.

Accepted Answer

A) 1.4 s 
B) 5.6 s 
C) 2340 s 
D) 8955 s 
A) 1.4 s 
B) 5.6 s 
C) 2340 s 
D) 8955 s

Question 18

You see a lightning flash and half a second later hear a loud blast of thunder.How far away did the lightning hit?

Accepted Answer

A) about a mile 
B) half a mile 
C) a tenth of a mile 
D) none of the above 
A) about a mile 
B) half a mile 
C) a tenth of a mile 
D) none of the above

Question 19

​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 20

When the frequency of the source of a water wave increases,the speed of the waves traveling in the water

Accepted Answer

A) remains unchanged. 
B) increases. 
C) decreases. 
D) cannot be determined. 
A) remains unchanged. 
B) increases. 
C) decreases. 
D) cannot be determined.

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

Doppler radar can

A huge explosion is heard 20 miles away.How long does it take the sound to travel that far? (20 miles = 32,000 meters)

The wavelength of ultrasound at 1 million Hz in air where the speed of sound is 340 m/s is

Telephones don't transmit frequencies above 3,400 Hz.Musical notes should sound normal over the telephone as long as they are below 3,400 Hz.

A sound wave in a metal bar is an example of a longitudinal wave.

If you increase the linear mass density of a rope,the speed of a wave on the rope also increases.

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

-Which of these shows one cycle of the wave?

-The wavelength of the wave shown in this figure is about

A _________ wave is one with its oscillations perpendicular to the direction of propagation.

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

A source emits sound at a fixed constant frequency f. -If the temperature of the air rises,the frequency you hear is higher than F

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

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 __________.

In a plane wave,the wavefronts are

You are on an island where a huge explosion at a distance of 500 miles away can be heard.How long (in seconds)does it take the sound to travel to your location? Assume the temperature of the air is 20 ^oC.

You see a lightning flash and half a second later hear a loud blast of thunder.How far away did the lightning hit?

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

When the frequency of the source of a water wave increases,the speed of the waves traveling in the water

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

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

Doppler radar can

A huge explosion is heard 20 miles away.How long does it take the sound to travel that far? (20 miles = 32,000 meters)

The wavelength of ultrasound at 1 million Hz in air where the speed of sound is 340 m/s is

Telephones don't transmit frequencies above 3,400 Hz.Musical notes should sound normal over the telephone as long as they are below 3,400 Hz.

A sound wave in a metal bar is an example of a longitudinal wave.

If you increase the linear mass density of a rope,the speed of a wave on the rope also increases.

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

-Which of these shows one cycle of the wave?

-The wavelength of the wave shown in this figure is about

A _________ wave is one with its oscillations perpendicular to the direction of propagation.

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

A source emits sound at a fixed constant frequency f. -If the temperature of the air rises,the frequency you hear is higher than F

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

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 __________.

In a plane wave,the wavefronts are

You are on an island where a huge explosion at a distance of 500 miles away can be heard.How long (in seconds)does it take the sound to travel to your location? Assume the temperature of the air is 20 oC.

You see a lightning flash and half a second later hear a loud blast of thunder.How far away did the lightning hit?

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

When the frequency of the source of a water wave increases,the speed of the waves traveling in the water

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

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

You are on an island where a huge explosion at a distance of 500 miles away can be heard.How long (in seconds)does it take the sound to travel to your location? Assume the temperature of the air is 20 ^oC.

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