The number of particles crossing per unit area perpendicular to Z axis – InterviewSolution

1.	The number of particles crossing per unit area perpendicular to Z axis per unit time is given by N=-D(N2-N1)/(Z2-Z1),where N2 & N1 are the number of particles per unit volume at Z2 & Z1 respectively.what is the dimensional formula for D?
Answer» The number of particles crossing per unit area perpendicular to Z axis per unit time is given by N=-D(N2-N1)/(Z2-Z1),where N2 & N1 are the number of particles per unit volume at Z2 & Z1 respectively.what is the dimensional formula for D?

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