Question:-
A given fluid flow problem involves the variables such as volume flow rate Q, dynamic viscosity m, density r, characteristic length l and acceleration due to gravity g. which of the following combination of variables is dimensionless ?
Option (A)
Q2 / gl2
Option (B)
rgl5 / Q2
Option(C)
rQl/m
Option(D)
rQ/ml
Correct Option:
()
question-answer-faq-1844