When a tuning fork produces sound waves in air, which one of the following properties of sound is same in the material of tuning fork as well as air?
A
Wavelength
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B
Frequency
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C
Velocity
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D
Amplitude
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Solution
The correct option is B Frequency Frequency of a wave is characterised by the source of the wave , which produces disturbance , therefore it doesn't change when medium is changed . So it doesn't matter whether sound is in air or material of tuning fork , frequency will not change .