Question

8. We determine the shrillness of sound by measuring its
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Answer 1

Answer:

The loudness of sound depends on its amplitude. When the amplitude of vibration is large, the sound produced is loud. When the amplitude is small, the sound produced is feeble. The frequency determines the shrillness or pitch of a sound.

Explanation:

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Answer 2

Answer:

The loudness of sound depends on its amplitude. When the amplitude of vibration is large, the sound produced is loud. When the amplitude is small, the sound produced is feeble. The frequency determines the shrillness or pitch of a sound.

Shrillness of the sound produced by a body is determined by the frequency of the vibrating body.