Question : Decibel is the unit used for:
Option 1: speed of light
Option 2: intensity of heat
Option 3: intensity of sound
Option 4: radio wave frequency
Answer (1)
24th Jan, 2024
Correct Answer: intensity of sound
Solution : The correct answer is the intensity of sound .
Decibel is the unit of intensity of sound. It is a measure of the loudness of the sound on a logarithmic scale. When the level of sound increases by 3 decibels, the intensity of the sound is doubled. It is abbreviated as 'dB'.
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