Distance between two compressions in a sound wave gives a measure of:
A
Wavelength
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B
Time period
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C
Amplitude
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D
Phase
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Solution
The correct option is A Wavelength Compressions in a sound wave are points where the pressure is the maximum. Rarefractions in a sound wave are points where the pressure is the minimum. Distance between two successive compressions (or rarefactions) is equal to the wavelength of a sound wave.