The amplitude of a sound wave is most closely
related to the sound’s
(1) speed (3) loudness
(2) wavelength (4) pitch

The correct answer is Option 3.

Explanation:

Amplitude of as sound wave is defined as the extent to which the air particles are getting displaced.

Speed of the sound wave is defined as the distance traveled by the sound wave per unit time and is not related to the amplitude of a sound wave.

Wavelength of the sound wave is defined as the difference between two crests or troughs.

Loudness of a sound wave is defined as the size of the vibration which are produced by it. This is closely related to the amplitude of the sound wave.

Pitch is defined as the sensation of the  frequency. Higher the frequency, the pitch is also high and vice-versa.

From the above information, the amplitude of a sound wave is most closely  related to the sound’s loudness.

Hence, the correct answer is Option 3.

Option (3) is correct. The amplitude of a sound wave is most closely related to the sound’s loudness.

Further Explanation:

A sound wave is a longitudinal wave which requires a medium for its propagation. The sound has three basic characteristic properties. These properties are as follows:

The pitch of the sound is the characteristic property of the sound wave which is very closely related to the frequency of the sound wave propagating in a medium. The pitch of the sound wave determines the properties like shrillness of the sound.

The amplitude of the sound wave is the strength of the sound and it is very much closely related to the amplitude of the sound wave. The loudness of the sound gives the volume of the sound.

The larger amplitude of sound corresponds to the louder sound and vice versa. The amplitude is basically the amount of energy transferred by the wave into the medium. At higher amplitude, more energy is transferred and therefore, a much louder sound can be heard easily.

Option (3) is correct. The amplitude of a sound wave is most closely related to the sound’s loudness.

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Answer Details:

Grade: High School

Subject: Physics

Chapter: Sound wave

Keywords:

Amplitude, sound wave, closely related, frequency, pitch, wavelength, speed, loudness, volume of sound, energy transferred, vibrations.

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