For the Stoke's law to be valid in the case of a falling sphere in a fluid, the
(A) Reynolds number (based on sphere diameter) should be < 1 (B) Flow around the sphere should be in turbulent region
(C) Sphere must be metallic
(D) Fluid density should be constant
(A) Reynolds number (based on sphere diameter) should be < 1 (B) Flow around the sphere should be in turbulent region
(C) Sphere must be metallic
(D) Fluid density should be constant