The figure shows graphical representation of a sound wave. The quantities on X and Y axes respectively are
Time and displacement
Distance and pressure
Distance and change in density
Density and pressure
A
Time and displacement
B
Distance and change in density
C
Distance and pressure
D
Density and pressure
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Solution
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Sound waves are generally described by the pressure waves as P=Pocos(wt−kx) The graphical representation of sound wave is a cosine wave of variation of pressure versus distance. Thus, X axis represents the distance and Y axis represents the pressure.
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