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Question

The velocity of sound in air (V), pressure ( P) and density of air ( d) are related as V α pxdy. The values of x and y respectively are

A
1,12
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B
12,12
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C
12,12
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D
12,12
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Solution

The correct option is C 12,12

v pxdy

LT1=(M1L1T2)x(ML3)y

M0L1T1=Mx+yLx3yT2x

x+y=0

2x=1 x=12

x3y=1

y=12


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