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The number of particles is given by n = ...

The 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 particles per unit volume for the value of `x` meant to `x_(2) and x_(1)` . Find the dimensions of `D` called diffusion constant.

A

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

B

`M^(0) L^(1) 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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