The velocity of a small ball of mass $\mathrm{M}$ and density $d,$ when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is $\frac{\mathrm{d}}{2}$, then the viscous force acting on the ball will be :
The velocity of a small ball of mass $\mathrm{M}$ and density $d,$ when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is $\frac{\mathrm{d}}{2}$, then the viscous force acting on the ball will be :
- [NEET 2021]
- A
$\frac{\mathrm{Mg}}{2}$
- B
$\mathrm{Mg}$
- C
$\frac{3}{2} \mathrm{Mg}$
- D
$2 \mathrm{Mg}$
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- [AIEEE 2012]