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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The number of particles crossing a unit area perpendicular to the x-axis in a unit time is given by n = -D (n2-n1), where n1 and n2 are the numbers of particles per unit volume

The number of particles crossing a unit area perpendicular to the x-axis in a unit time is given by n = -D (n2-n1), where n1 and n2 are the numbers of particles per unit volume

The number of particles crossing a unit area perpendicular to the x-axis in a unit time is given by n = -D (n2-n1) where n1 and n2 are the numbers of particles per unit volume