PYQ NEET- Thermal Properties Of Matter L-9

Question: The velocity of a small ball of mass $\mathrm{M}$ and density $\mathrm{d}$, when dropped in a container filled with glycerin becomes constant after some time. If the density of glycerin is $\frac{d}{2}$, then the viscous force acting on the ball will be :#

A) $2 \mathrm{Mg}$

B) $\frac{M g}{2}$

C) $\mathrm{Mg}$

D) $\frac{3}{2} \mathrm{Mg}$

Answer: $\frac{M g}{2}$#