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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
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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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