1.

The speed (v) of sound in a gas is given by v = k P^(x) ρ^(y) Where K is dimensionless constant, P is pressure, and ρ is the density, then

Answer»

`X = ½, y = ½`
`x = –½, y = –½`
`x = ½, y = –½`
`x = –½, y = ½`

SOLUTION :`v=kP^(x)RHO^(y)`
`[M^(@)LT^(-1)]=[ML^(-1)T^(-2)]^(x)[ML^(-3)]^(y)`
`0=x+y,1=-x-3y,-1=-2x`
`y=-x""x=1//2`
`=-1//2`


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