Analysis of a flow phenomenon in a system requires the following variables:
Pressure [M L-1 T -2]
Velocity of the fluid [L T -1]
Size of the system [L]
Density of the fluid [M L-3]
Viscosity of the fluid [M L-1 T -1]
According to Buckingham Pi theorem (dimensional analysis) what is the number of independent DIMENSIONLESS variables needed to describe this system?
(A) 2 (B) 3 (C) 4 (D) 5