A) to form images of internal organs. B) by bats to navigate. C) in automatic focus cameras. D) to control insects. E) all of the above A) to form images of internal organs. B) by bats to navigate. C) in automatic focus cameras. D) to control insects. E) all of the above

Exam 6: Waves and Sound

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 diffraction.

Free

(True/False)

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Question 1

Correct Answer:

Verified

False

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

Free

(Multiple Choice)

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Question 2

Correct Answer:

Verified

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

Free

(Multiple Choice)

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Question 3

Correct Answer:

Verified

A,C

In ultrasound the _____________ of the sound is much greater than in normal sound.

(Multiple Choice)

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Question 4

You shout at a cliff,and hear your echo in 2 seconds.If the speed of sound in the air is 340 m/s,the distance of the cliff from you is __________.

(Short Answer)

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Question 5

Combining two sounds of equal intensity will give a sound level 3 dB higher than the sound level due to just one of them.

(True/False)

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Question 6

If a source of sound is traveling toward you,the speed of the sound waves reaching you is _______________ the speed the sound waves would have had if the source were stationary.

(Multiple Choice)

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Question 7

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

(Multiple Choice)

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Question 8

Match each item with the correct statement below. -measured in decibels

(Multiple Choice)

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Question 9

An example of a longitudinal wave is

(Multiple Choice)

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Question 10

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

(Multiple Choice)

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Question 11

Match each item with the correct statement below. -when two wave are "out of phase" the result is

(Multiple Choice)

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Question 12

Ultrasound is used

(Multiple Choice)

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Question 13

In ultrasound the __________ of the sound is much greater than in normal sound.

(Short Answer)

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Question 14

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

(True/False)

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Question 15

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

(Multiple Choice)

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Question 16

A water wave is an example of a transverse wave.

(True/False)

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Question 17

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 _________ times the frequency of the first wave.

(Short Answer)

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Question 18

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

(Multiple Choice)

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Question 19

Reverberation time of a room can be increased by covering the walls with better reflectors of sound.

(True/False)

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Question 20

Showing 1 - 20 of 159

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 diffraction.

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

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

In ultrasound the _____________ of the sound is much greater than in normal sound.

You shout at a cliff,and hear your echo in 2 seconds.If the speed of sound in the air is 340 m/s,the distance of the cliff from you is __________.

Combining two sounds of equal intensity will give a sound level 3 dB higher than the sound level due to just one of them.

If a source of sound is traveling toward you,the speed of the sound waves reaching you is _______________ the speed the sound waves would have had if the source were stationary.

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

Match each item with the correct statement below. -measured in decibels

An example of a longitudinal wave is

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

Match each item with the correct statement below. -when two wave are "out of phase" the result is

Ultrasound is used

In ultrasound the __________ of the sound is much greater than in normal sound.

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

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

A water wave is an example of a transverse wave.

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 _________ times the frequency of the first wave.

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

Reverberation time of a room can be increased by covering the walls with better reflectors of sound.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Electricity

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Exam 6: Waves and Sound

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 diffraction.

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

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

In ultrasound the _____________ of the sound is much greater than in normal sound.

You shout at a cliff,and hear your echo in 2 seconds.If the speed of sound in the air is 340 m/s,the distance of the cliff from you is __________.

Combining two sounds of equal intensity will give a sound level 3 dB higher than the sound level due to just one of them.

If a source of sound is traveling toward you,the speed of the sound waves reaching you is _______________ the speed the sound waves would have had if the source were stationary.

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

Match each item with the correct statement below. -measured in decibels

An example of a longitudinal wave is

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

​Match each item with the correct statement below. -when two wave are "out of phase" the result is

Ultrasound is used

In ultrasound the __________ of the sound is much greater than in normal sound.

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

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

A water wave is an example of a transverse wave.

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 _________ times the frequency of the first wave.

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

Reverberation time of a room can be increased by covering the walls with better reflectors of sound.

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. -when two wave are "out of phase" the result is

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

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