Define the frequency of vibration.

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Solution

Frequency is defined as the number of vibrations completed in one second.
The S.I. units of frequency are $h e r t z (H z)$ .
Humans can hear sounds only in the range of $20 H z - 20, 000 H z$ known as the audible range.

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Q. Question 7
The loudness of sound is determined by the

(a) Amplitude of vibration
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Define the frequency of vibration.

Frequency is defined as the number of vibrations completed in one second. The S.I. units of frequency are hertz(Hz).Humans can hear sounds only in the range of 20Hz-20,000Hz known as the audible range.

Frequency is defined as the number of vibrations completed in one second.
The S.I. units of frequency are $h e r t z (H z)$ .
Humans can hear sounds only in the range of $20 H z - 20, 000 H z$ known as the audible range.