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Characteristics of Sound Waves Quiz

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Questions and Answers

What is the SI unit of intensity of sound?

Watt per square meter (W/m²) (correct)

Decibel (dB)

Newton per square meter (N/m²)

Hertz (Hz)

Which of the following statements about sound waves is correct?

Sound waves do not require a material medium for propagation.

Sound waves are electromagnetic waves.

Sound waves are transverse waves.

Sound waves are longitudinal waves consisting of compressions and rarefactions. (correct)

Which property of sound determines its pitch?

Amplitude

Wavelength

Speed

Frequency (correct)

What is the term used to describe the quality of a sound that distinguishes it from others of the same pitch and loudness?

Timbre Signup and view all the answers

What is the unit used to measure the intensity level of sound?

Decibel (dB) Signup and view all the answers

Which of the following statements about echo is correct?

Echo is caused by the reflection of sound waves from a surface. Signup and view all the answers

Which of the following factors does NOT affect the loudness of a sound?

The frequency of the sound wave Signup and view all the answers

What happens to the wavelength of a sound wave when its frequency increases?

The wavelength decreases Signup and view all the answers

What is the unit used to measure the intensity level of sound?

Decibel (dB) Signup and view all the answers

Which of the following properties of sound waves does NOT demonstrate their wave nature?

Polarization Signup and view all the answers

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

Frequency and pitch are directly proportional Signup and view all the answers

Which of the following statements about the intensity of sound is correct?

Intensity is a measure of the energy carried by a sound wave per unit time Signup and view all the answers

What does the wavelength of a sound wave represent?

The distance between two consecutive compressions or rarefactions Signup and view all the answers

How does the area of the vibrating body affect the loudness of a sound?

The loudness increases as the area increases Signup and view all the answers

Which factor primarily determines the loudness of a sound?

The amplitude of the vibrating body Signup and view all the answers

What are compressions in a sound wave?

Regions where air pressure is higher than the surrounding air pressure Signup and view all the answers

What are rarefactions in a sound wave?

Regions where air pressure is lower than the surrounding air pressure Signup and view all the answers

Which characteristic of a sound wave is NOT mentioned in the text?

Pitch Signup and view all the answers

Characteristics of Sound Waves Quiz

Choose a study mode

Podcast

Questions and Answers

What is the SI unit of intensity of sound?

Which of the following statements about sound waves is correct?

Which property of sound determines its pitch?

What is the term used to describe the quality of a sound that distinguishes it from others of the same pitch and loudness?

What is the unit used to measure the intensity level of sound?

Which of the following statements about echo is correct?

Which of the following factors does NOT affect the loudness of a sound?

What happens to the wavelength of a sound wave when its frequency increases?

What is the unit used to measure the intensity level of sound?

Which of the following properties of sound waves does NOT demonstrate their wave nature?

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

Which of the following statements about the intensity of sound is correct?

What does the wavelength of a sound wave represent?

How does the area of the vibrating body affect the loudness of a sound?

Which factor primarily determines the loudness of a sound?

What are compressions in a sound wave?

What are rarefactions in a sound wave?

Which characteristic of a sound wave is NOT mentioned in the text?

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