What is Fluid? click on link for answer

Types of Fluid:- Mainly two type of Fluid
(a) Ideal Fluid or Imaginary Fluid
(b) Real Fluid

Ideal or Imaginary Fluid :- A fluid which is incompressible and is having no viscosity ,is known as ideal fluid.
            Ideal fluid is only an imaginary fluid as all the fluids, which exist, have some velocity.

Real Fluid :- A fluid which posses velocity is known as real fluid.
             All the fluids in actual practice are real fluid.
There are following type of Ideal Fluid :-
(a) Newtonian fluid.
(b) Non -Newtonian fluid.
(c) Ideal Bingham fluid.
(e) Didi Tropy fluid.