The number of particles crossing unit area perpendicular to x-axis in unit time is given by n = (-D(n_2-n_1))/(x_2 - x_1) Where n_1 and n_2are number of particles per unit volume for the value of x meant to x_1 and x_2 . The dimensions of D are

The number of particles crossing unit area perpendicular to x-axis in

1.	The number of particles crossing unit area perpendicular to x-axis in unit time is given by n = (-D(n_2-n_1))/(x_2 - x_1) Where n_1 and n_2are number of particles per unit volume for the value of x meant to x_1 and x_2 . The dimensions of D are
Answer» `M^0LT^3` `M^0L^2T^(-4)` `M^0LT^(-2)` `M^0L^2T^(-1)` ANSWER :D