Given:
Speed of water, v = 6 cm/s = 6 × 10−2 m/s
Radius of tube, r = 1 cm = 10−2 m
Diameter of tube, D = 2 × 10−2 m
Coefficient of viscosity, η = 0.01 poise
Let the Reynolds number be R and the density of water be ρ.
Here, the Reynolds number is less than 2000. Therefore, it is a steady flow.