The velocity of a small ball of mass $M$ and density $d_1,$ when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is $d_2,$ the viscous force acting on the ball will be
The velocity of a small ball of mass $M$ and density $d_1,$ when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is $d_2,$ the viscous force acting on the ball will be
- A
$Mg\,\left( {1 - \frac{{{d_1}}}{{{d_2}}}} \right)$
- B
$Mg\,\left( {1 - \frac{{{d_2}}}{{{d_1}}}} \right)$
- C
$Mg\,\,d_1$
- D
$Mg\,\,d_2$
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