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In a resonance tube experiment, a tuning fork of frequency 256Hz gave a resonance when the water level was 30cm below the open end of the tube. If the next position of resonance was 100cm, what is the velocity of sound in air?

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jayilych4real

The velocity of sound in air is 358m/s

Calculations and Parameters

Given;

  • Frequency= 256 Hz
  • Water level= 30cm
  • Position of resonance= 100cm
  • The velocity of sound in air= ?

v= 2f(L2-L1)

= 2.2.56.(1- 0.3)

=358 m/s

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