Vibration that travel through the air or another medium and can heard when they reach a person's or animal's ear is called sound. The loudness of sound is determined by what property of sound?

Frequency

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Velocity

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Amplitude

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Wavelength

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Solution

The correct option is B Amplitude
The amplitude is a measure of the strength or intensity of the sound wave. For example, when looking at a sound wave, the amplitude will measure the loudness of the sound.
The energy of the wave also varies in direct proportion to the amplitude of the wave.

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To produce sound we need a medium means molecules. When sound tries to travels through gas then how it can pass between the gas of molecules? I know that sound makes the object (at molecules molecular level-particles) move ,i.e., they vibrate. But why they vibrate or how they vibrate. If sound can't travel through the gaps. I m talking about only has.

Fill in the blanks with suitable words.

(a) Time taken by an object to complete one oscillation is called _________.

(b) Loudness is determined by the ________ of vibration.

(d) Unwanted sound is called _________.

(e) Shrillness of a sound is determined by the _________ of vibration.

Q. Fill in the blanks with suitable words.
(a) Time taken by an object to complete one oscillation is called _________ .
(b) Loudness is determined by the __________ of vibration.
(c) The unit of frequency is __________ .
(d) Unwanted sound is called ___________ .
(e) Shrillness of a sound is determined by the __________ of vibration.

The loudness or softness of a sound is determined by:

Sound from a flute and sound from a harmonica played by passing air through musical instrument, at same time and same distance from ear and traveling through same medium air, they differ in sounds due to difference in

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Vibration that travel through the air or another medium and can heard when they reach a person's or animal's ear is called sound. The loudness of sound is determined by what property of sound?

The correct option is B AmplitudeThe amplitude is a measure of the strength or intensity of the sound wave. For example, when looking at a sound wave, the amplitude will measure the loudness of the sound.The energy of the wave also varies in direct proportion to the amplitude of the wave.

The correct option is B Amplitude
The amplitude is a measure of the strength or intensity of the sound wave. For example, when looking at a sound wave, the amplitude will measure the loudness of the sound.
The energy of the wave also varies in direct proportion to the amplitude of the wave.