1.

The viscosity eta of a gas depends on the long - range attractive part of the intermolecular force, which varies with molecular separation r according to F=mur^(-n) where n is a number and mu is a constant. If eta is a function of the mass m of the molecules, their mean speed v, and the constant mu than which of the following is correct-

Answer»

`ETA PROP m^(N+1)v^(n+3)MU^(n-2)`
`eta prop m^((n+1)/(n-1))v^((n+3)/(n-1))mu^((-2)/(n-1))`
`eta prop m^(n)v^(-n)mu^(-2)`
`eta prop mv mu^(-n)`

Answer :B


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