Question

Which sound would most likely have the lowest pitch?

A chirping bird

A vacuum running

A lawnmower

A dog barking

Answer 1

A vacuum running would most likely have the lowest pitch. So, it's B.

What do you mean by Pitch?

Pitch may be defined as the quality of sound produced by vibrations.

Pitch is characterized by the frequency of a sound wave. Pitch depends on the vibrations which are produced by sound waves.

High pitch, more vibrations, faster sound waves. Low pitch, fewer vibrations, slower sound waves.

Therefore, a vacuum running would most likely have the lowest pitch.

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Answer 2

The pitch of a sound is determined by the frequency at which sound waves resonate or vibrate. The sound would most likely have the lowest pitch is a vacuum running, i.e., option B.

What is pitch?

Pitch is a sound perceptual property. It allows us to rate the sound quality as high or low.

A running vacuum cleaner is an example of low pitch because it is an electrical instrument used for cleaning in homes and offices.

During execution, the sound of the vacuum cleaner remains static. Its pitch remains constant and low in the working process.

The pitch of a bird, a lawn mower runner, and a dog barking, on the other hand, usually remains high.

Thus, the correct option is B.

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