When a tuning fork, struck by a rubber pad is held over a length of the air column in a tube, it produces a loud sound for a fixed length of the air column.
State the unit for measuring loudness.
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Solution
When a tuning fork is struck by a rubber pad and held over a fixed length of the air column in a tube, it creates a loud sound.
Resonance is the phenomenon that causes the above situation.
The unit for measuring loudness is decibel
Therefore, decibel , which represents the pressure level of the sound, is a unit for measuring loudness.