Question

What are the microscopic quantities?

Answer 1

Viscosity( ) is the measure of opposition to the motion of a system in a fluid. It is a macroscopic quantity. Diffusion ( D ) is a microscopic quantity of a particle in the viscous fluid.....

Answer 2

A microscopic property describes the behaviour of a much smaller sample of matter, an atom or molecule...

A microscopic quantities are usually impossible to measure directly (without equipment costing millions). Like the velocity of each of the atoms in the water or to know how much a certain molecule is rotating or vibrating...