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Physics > Sound Waves > Flashcards

Sound Waves Flashcards

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1
Q

What is a sound wave?

A

A sound wave is a longitudinal wave that transmits energy through vibrations in a medium.

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2
Q

True or False: Sound waves can travel through a vacuum.

A

False

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3
Q

What is the speed of sound in air at room temperature?

A

Approximately 343 meters per second

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4
Q

How does sound travel through solids compared to gases?

A

Sound travels faster through solids than through gases.

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5
Q

What is the unit of measurement for frequency of sound waves?

A

Hertz (Hz)

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6
Q

What is the relationship between frequency and pitch of a sound wave?

A

Higher frequency sound waves correspond to higher pitch.

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7
Q

What property of a sound wave determines its loudness?

A

Amplitude

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8
Q

What is the formula to calculate the speed of sound in a medium?

A

Speed of sound = frequency x wavelength

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9
Q

What is the range of frequencies that humans can generally hear?

A

20 Hz to 20,000 Hz

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10
Q

What is the phenomenon where sound waves reflect off surfaces?

A

Echo

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11
Q

What is the term for the change in frequency of a sound wave due to motion relative to the observer?

A

Doppler effect

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12
Q

What is the term for the bending of sound waves around obstacles?

A

Diffraction

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13
Q

What is the term for the interference of sound waves that results in increased amplitude?

A

Constructive interference

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14
Q

What is the term for the interference of sound waves that results in decreased amplitude?

A

Destructive interference

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15
Q

What is the process of converting sound waves into electrical signals for recording or transmission?

A

Transduction

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16
Q

What is the term for the frequency at which an object vibrates naturally?

A

Resonance

17
Q

What is the term for the bending of sound waves due to changes in the speed of sound in different media?

A

Refraction

18
Q

What is the term for the enhancement of sound waves by adding energy at specific frequencies?

A

Acoustic amplification

19
Q

What is the term for the reduction of sound intensity as it travels through a medium?

A

Attenuation

20
Q

What is the term for the phenomenon where sound waves are bent upward due to temperature inversion in the atmosphere?

A

Temperature inversion effect

21
Q

What is the term for the reflection of sound waves off the ground, resulting in delayed arrival of sound?

A

Ground effect

22
Q

What is the term for the cancellation of sound waves due to their interaction?

A

Acoustic interference

23
Q

What is the term for the process of reducing unwanted noise in a sound signal?

A

Noise cancellation

24
Q

What is the term for the study of sound waves and their behavior?

A

Acoustics

Physics (31 decks)

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