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Question

A source of sound emits sound waves in uniform medium. If energy density is E and maximum speed of
particles of the medium is Vmax then the graph between E and Vmax is best represented by

A
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B
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C
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D
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Solution

The correct option is B
Vmax=Aω=2πfA
Energy density E=12ρv2max
So the curve between E and Vmax is a parabola of increasing slope and symmetric about y-axis

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