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Wavelength

The wavelengt...

Question

The wavelength of the sound produced by a tuning fork of frequency 450 Hz which is set to vibrate in air (take velocity of sound in air as 320 m/s) is

A

144 cm

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B

7.1 cm

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C

0.711 m

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D

0.07 m

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Solution

The correct option is C
0.711 m

Wavelength = speed of air (v) / frequency (ν)

Wavelength = 320/ 450= 0.711 m

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