Question

give me the unit of measuring loudness, frequency and time period. ​

Answer 1

Answer:

decibels (dB)

Loudness of sound is measured in decibels (dB). This is actually a measure of intensity, which relates to how much energy the pressure wave has. Decibels are a relative measurement. They relate the intensity of a pressure wave to a normal or standard pressure.

Explanation:

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Answer 2

Answer:

loudness is measured as decibels

frequency measured by waves

time period is measured by seconds