Exam 6: Waves and Sound

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 half the velocity of a wave in the first rope.

(True/False)

4.9/5

(80)

Question 121

Two sound waves traveling through the air have different frequencies.Consequently,they must also have different

(Multiple Choice)

4.9/5

(66)

Question 122

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

(Short Answer)

4.8/5

(82)

Question 123

What is the speed of sound in the air inside a furnace where the temperature is 500 degrees Celsius (773 Kelvin)?

(Short Answer)

4.9/5

(73)

Question 124

Your vocal cords are used to produce all the sounds you make while speaking.

(True/False)

4.8/5

(71)

Question 125

A source emits sound at a fixed constant frequency f. -If the source moves,the wavelength of the sound in front of the direction of motion is ____________ the wavelength behind the direction of motion.

(Multiple Choice)

4.8/5

(88)

Question 126

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

(True/False)

4.9/5

(81)

Question 127

Sound in a vacuum is impossible.

(True/False)

4.9/5

(82)

Question 128

Match each item with the correct statement below. -affects the frequency of the sound from a moving sound source

(Multiple Choice)

4.8/5

(82)

Question 129

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 times the velocity of a wave in the first rope.

(True/False)

4.8/5

(72)

Question 130

A sound with ten times the amplitude of another sound is judged to be ten times as loud.

(True/False)

4.8/5

(85)

Question 131

Which of the following is not one of the ways sound can be used?

(Multiple Choice)

4.7/5

(81)

Question 132

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

(Short Answer)

4.8/5

(74)

Question 133

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

(Multiple Choice)

4.7/5

(79)

Question 134

Regions of a longitudinal wave where the particles of the medium are squeezed together are called compressions.

(True/False)

4.9/5

(72)

Question 135

Which of these waves will diffract the most when passing through a 20 cm wide opening in a barrier?

(Multiple Choice)

5.0/5

(90)

Question 136

Match each item with the correct statement below. -occurs when two waves arrive in phase

(Multiple Choice)

4.8/5

(73)

Question 137

A source emits sound at a fixed constant frequency f. -If the source moves away from you faster than the speed of sound in air,you do not hear any frequency but instead a 'sonic boom.'

(True/False)

4.8/5

(94)

Question 138

Match each item with the correct statement below. -affects the frequency of the sound from a moving sound source

(Multiple Choice)

4.8/5

(77)

Question 139

The 3rd harmonic of a complex tone has a frequency of 1,200 Hz.The frequency of the tone is

(Multiple Choice)

5.0/5

(82)

Question 140

Showing 121 - 140 of 159

Two sound waves traveling through the air have different frequencies.Consequently,they must also have different

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

What is the speed of sound in the air inside a furnace where the temperature is 500 degrees Celsius (773 Kelvin)?

Your vocal cords are used to produce all the sounds you make while speaking.

A source emits sound at a fixed constant frequency f. -If the source moves,the wavelength of the sound in front of the direction of motion is ____________ the wavelength behind the direction of motion.

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

Sound in a vacuum is impossible.

Match each item with the correct statement below. -affects the frequency of the sound from a moving sound source

A sound with ten times the amplitude of another sound is judged to be ten times as loud.

Which of the following is not one of the ways sound can be used?

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

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

Regions of a longitudinal wave where the particles of the medium are squeezed together are called compressions.

Which of these waves will diffract the most when passing through a 20 cm wide opening in a barrier?

Match each item with the correct statement below. -occurs when two waves arrive in phase

A source emits sound at a fixed constant frequency f. -If the source moves away from you faster than the speed of sound in air,you do not hear any frequency but instead a 'sonic boom.'

Match each item with the correct statement below. -affects the frequency of the sound from a moving sound source

The 3rd harmonic of a complex tone has a frequency of 1,200 Hz.The frequency of the tone is

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 sound waves traveling through the air have different frequencies.Consequently,they must also have different

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

What is the speed of sound in the air inside a furnace where the temperature is 500 degrees Celsius (773 Kelvin)?

Your vocal cords are used to produce all the sounds you make while speaking.

A source emits sound at a fixed constant frequency f. -If the source moves,the wavelength of the sound in front of the direction of motion is ____________ the wavelength behind the direction of motion.

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

Sound in a vacuum is impossible.

Match each item with the correct statement below. -affects the frequency of the sound from a moving sound source

A sound with ten times the amplitude of another sound is judged to be ten times as loud.

Which of the following is not one of the ways sound can be used?

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

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

Regions of a longitudinal wave where the particles of the medium are squeezed together are called compressions.

Which of these waves will diffract the most when passing through a 20 cm wide opening in a barrier?

​Match each item with the correct statement below. -occurs when two waves arrive in phase

A source emits sound at a fixed constant frequency f. -If the source moves away from you faster than the speed of sound in air,you do not hear any frequency but instead a 'sonic boom.'

​Match each item with the correct statement below. -affects the frequency of the sound from a moving sound source

The 3rd harmonic of a complex tone has a frequency of 1,200 Hz.The frequency of the tone is

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 amplitude are _ and _.

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

Match each item with the correct statement below. -occurs when two waves arrive in phase

Match each item with the correct statement below. -affects the frequency of the sound from a moving sound source