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Question

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

  1. 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.
  2. Resonance is the phenomenon that causes the above situation.
  3. The unit for measuring loudness is decibel (dB).

Therefore, decibel (dB), which represents the pressure level of the sound, is a unit for measuring loudness.


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