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Sound Class 09 Quiz

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Questions and Answers

What is the unit used to measure the loudness of sound?

Ampere

Hertz

Decibel (correct)

Watt

What property of a sound wave determines its pitch?

Frequency (correct)

Wavelength

Amplitude

Speed

Which type of wave is responsible for the sensation of hearing?

Light wave

Sound wave (correct)

Electromagnetic wave

Radio wave

Which of the following properties of a sound wave determines its pitch?

Frequency Signup and view all the answers

How does the speed of sound change with an increase in temperature?

Increases Signup and view all the answers

What type of wave is responsible for the sensation of hearing?

Longitudinal wave Signup and view all the answers

What happens to the speed of sound with an increase in temperature?

It increases Signup and view all the answers

What unit is used to measure the loudness of sound?

Decibel Signup and view all the answers

Study Notes

Sound Properties

The loudness of sound is measured in decibels (dB).
The pitch of a sound wave is determined by its frequency.
Sound waves are a type of mechanical wave responsible for the sensation of hearing.
The pitch of a sound wave is determined by its frequency, not amplitude or wavelength.
The speed of sound increases with an increase in temperature.
Sound waves are a type of mechanical wave that travels through a medium, allowing us to hear.
As temperature increases, the speed of sound also increases.

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Description

Test your knowledge about sound with this quiz. Explore questions related to the measurement of loudness, the determination of pitch, the type of wave responsible for hearing, and the effects of temperature on the speed of sound.