NEETPhysicsMechanical Properties of Fluids
What is the viscosity of the oil at 20°C when a copper ball with a radius of 2.0 mm falls through the oil in a tank at a terminal velocity of 6.5 cm/s?
Options
- A9.9 × 10 ⁻¹ kg~ m ⁻¹ ~ s ⁻¹
- B6.6 × 10 ⁻¹ kg~ m ⁻¹ ~ s ⁻¹
- C3.3 × 10 ⁻¹ kg~ m ⁻¹ ~ s ⁻¹
- D1.1 × 10 ⁻¹ kg~ m ⁻¹ ~ s ⁻¹
Correct answer
A. 9.9 × 10 ⁻¹ kg~ m ⁻¹ ~ s ⁻¹
Step-by-step solution
Correct Option is : (A) 9.9 × 10 ⁻¹ kg~ m ⁻¹ ~ s ⁻¹