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Question

A body is vibrating 6000 times in a minute. If the velocity of sound is 360 m/s. Find

(i) the frequency in (Hz)                                (ii) Wavelength of sound


  1. 100 Hz, 3.6 m

  2. 600 Hz, 3.6 m

  3. 60 Hz, 6 m

  4. 6000 Hz, 0.06 m


Solution

The correct option is A

100 Hz, 3.6 m


Frequency = number of cyclestime in seconds=600060=100 Hz

Wave length = velocityfrequency=360100=3.6

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