Number of particles is given by n=-D(n(2...

Number of particles is given by `n=-D(n_(2)-n_(1))/(x_(2)-x_(1))` crossing a unit area perpendicular to `X`-axis in unit time, where `n_(1)` and `n_(2)` are number of particles per unit volume for the value of `x` meant to `x_(2)` and `x_(1)`. Find dimensions of `D` called as diffusion constant

A

`[M^(0)L^(1)T^(2)]`

B

`[M^(0)L^(2)T^(4)]`

C

`[M^(0)L^(1)T^(-3)]`

D

`[M^(0)L^(2)T^(-1)]`

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The correct Answer is:

d

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