Question

The velocity of sound in air is 330 m/s and the frequency of a tuning fork is 660 Hz

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Answer

Question

The velocity of sound in air is 330 m/s and the frequency of a tuning fork is 660 Hz. What will be the distance covered by the sound is 200 complete vibrations of the fork? [Ans. 100 m]

Answer

To find the distance covered by sound in a given number of complete vibrations, we need to calculate the wavelength first. The wavelength can be determined by dividing the velocity of sound by the frequency.

Wavelength = Velocity \over Wavelength

Wavelength = 330 \over 660

Wavelength = 0.5 m

Since one complete vibration corresponds to one wavelength, the distance covered by sound in 200 complete vibrations is:

Distance = Wavelength × Number of Vibrations

Distance = 0.5 m × 200

Distance = 100 m

Therefore, the distance covered by the sound in 200 complete vibrations of the tuning fork is 100 m.

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