MCQ
For a ball falling in a liquid with constant velocity, ratio of resistance force due to the liquid to that due to gravity is:
- ✓$1$
- B$\frac{2\text{a}^2\rho\text{g}}{9\eta^2}$
- C$\frac{2\text{a}^2(\rho-\sigma)\text{g}}{9\eta}$
- D$\text{None.}$
✓
Answer
Correct option: A.
$1$
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