5843Chemical EngineeringMedium
For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the________?
AFluid density should be constant
BReynolds number (based on sphere diameter) should be < 1
CFlow around the sphere should be in turbulent region
DSphere must be metallic
Correct answer
D. Sphere must be metallic
Explanation
The correct answer is Sphere must be metallic.