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Longitudinal Waves Flashcards

1
Q

What is a longitudinal wave?

A

A wave in which the particle displacement is parallel to the direction of wave propagation.

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2
Q

True or False: In longitudinal waves, compressions are areas of high pressure.

A

True

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3
Q

Fill in the blank: Longitudinal waves are characterized by ______ and rarefactions.

A

compressions

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4
Q

Which of the following is an example of a longitudinal wave? A) Light wave B) Sound wave C) Water wave

A

B) Sound wave

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5
Q

What are the two main parts of a longitudinal wave?

A

Compressions and rarefactions.

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6
Q

True or False: Longitudinal waves can travel through solids, liquids, and gases.

A

True

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7
Q

What is the key difference between longitudinal waves and transverse waves?

A

In longitudinal waves, displacement is parallel to the direction of wave travel, while in transverse waves, displacement is perpendicular.

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8
Q

Fill in the blank: The speed of sound in air at room temperature is approximately ______ meters per second.

A

343

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9
Q

Multiple choice: Which property of a longitudinal wave is related to the loudness of sound? A) Frequency B) Wavelength C) Amplitude

A

C) Amplitude

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10
Q

What is meant by the term ‘compression’ in a longitudinal wave?

A

A region where particles are closer together, resulting in increased pressure.

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11
Q

In terms of wave behavior, what does ‘rarefaction’ refer to?

A

A region where particles are spread apart, resulting in decreased pressure.

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12
Q

True or False: Longitudinal waves can be polarized.

A

False

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13
Q

What is the relationship between frequency and wavelength in longitudinal waves?

A

They are inversely proportional; as frequency increases, wavelength decreases.

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14
Q

Fill in the blank: The unit of frequency is ______.

A

Hertz

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15
Q

What is the formula for wave speed?

A

Wave speed = frequency × wavelength.

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16
Q

Multiple choice: Which medium does sound travel fastest in? A) Air B) Water C) Steel

A

C) Steel

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17
Q

What is a practical application of longitudinal waves?

A

Ultrasound imaging in medicine.

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18
Q

True or False: Longitudinal waves can interfere with each other.

A

True

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19
Q

What is the term for the phenomenon when two sound waves meet and combine?

A

Interference

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20
Q

Fill in the blank: The frequency of a sound wave determines its ______.

A

pitch

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21
Q

What type of wave is produced by a vibrating tuning fork?

A

Longitudinal wave

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22
Q

True or False: Longitudinal waves can be represented graphically with a sine wave.

A

False

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23
Q

What happens to the wavelength of a sound wave if its frequency doubles?

A

The wavelength is halved.

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24
Q

Multiple choice: Which of the following does NOT affect the speed of sound? A) Temperature B) Humidity C) Color

A

C) Color

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25
Fill in the blank: The range of human hearing is typically from ______ to ______ Hertz.
20, 20000
26
What is the term for the lowest frequency of a sound wave that can be heard?
Fundamental frequency
27
True or False: Sound waves are an example of mechanical waves.
True
28
What is the effect called when sound waves reflect off a surface?
Echo
29
Fill in the blank: Longitudinal waves are also known as ______ waves.
compression
30
What is the primary factor that determines the speed of sound in a medium?
The density and elasticity of the medium.
31
Multiple choice: What happens to the sound intensity as you move further away from the source? A) Increases B) Decreases C) Stays the same
B) Decreases
32
What is a common use of longitudinal waves in technology?
Sonar for underwater navigation.
33
What is a longitudinal wave?
A wave in which the particle displacement is parallel to the direction of wave propagation.
34
True or False: In longitudinal waves, compressions are areas of high pressure.
True
35
Fill in the blank: Longitudinal waves are characterized by ______ and rarefactions.
compressions
36
Which of the following is an example of a longitudinal wave? A) Light wave B) Sound wave C) Water wave
B) Sound wave
37
What are the two main parts of a longitudinal wave?
Compressions and rarefactions.
38
True or False: Longitudinal waves can travel through solids, liquids, and gases.
True
39
What is the key difference between longitudinal waves and transverse waves?
In longitudinal waves, displacement is parallel to the direction of wave travel, while in transverse waves, displacement is perpendicular.
40
Fill in the blank: The speed of sound in air at room temperature is approximately ______ meters per second.
343
41
Multiple choice: Which property of a longitudinal wave is related to the loudness of sound? A) Frequency B) Wavelength C) Amplitude
C) Amplitude
42
What is meant by the term 'compression' in a longitudinal wave?
A region where particles are closer together, resulting in increased pressure.
43
In terms of wave behavior, what does 'rarefaction' refer to?
A region where particles are spread apart, resulting in decreased pressure.
44
True or False: Longitudinal waves can be polarized.
False
45
What is the relationship between frequency and wavelength in longitudinal waves?
They are inversely proportional; as frequency increases, wavelength decreases.
46
Fill in the blank: The unit of frequency is ______.
Hertz
47
What is the formula for wave speed?
Wave speed = frequency × wavelength.
48
Multiple choice: Which medium does sound travel fastest in? A) Air B) Water C) Steel
C) Steel
49
What is a practical application of longitudinal waves?
Ultrasound imaging in medicine.
50
True or False: Longitudinal waves can interfere with each other.
True
51
What is the term for the phenomenon when two sound waves meet and combine?
Interference
52
Fill in the blank: The frequency of a sound wave determines its ______.
pitch
53
What type of wave is produced by a vibrating tuning fork?
Longitudinal wave
54
True or False: Longitudinal waves can be represented graphically with a sine wave.
False
55
What happens to the wavelength of a sound wave if its frequency doubles?
The wavelength is halved.
56
Multiple choice: Which of the following does NOT affect the speed of sound? A) Temperature B) Humidity C) Color
C) Color
57
Fill in the blank: The range of human hearing is typically from ______ to ______ Hertz.
20, 20000
58
What is the term for the lowest frequency of a sound wave that can be heard?
Fundamental frequency
59
True or False: Sound waves are an example of mechanical waves.
True
60
What is the effect called when sound waves reflect off a surface?
Echo
61
Fill in the blank: Longitudinal waves are also known as ______ waves.
compression
62
What is the primary factor that determines the speed of sound in a medium?
The density and elasticity of the medium.
63
Multiple choice: What happens to the sound intensity as you move further away from the source? A) Increases B) Decreases C) Stays the same
B) Decreases
64
What is a common use of longitudinal waves in technology?
Sonar for underwater navigation.

Physics (Longitudinal Waves) (2 decks)

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