The velocity of a small ball of mass $0.3\,g$ and density $8\,g / cc$ when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is $1.3\,g / cc$, then the value of viscous force acting on the ball will be $x \times 10^{-4}\,N$, the value of $x$ is [use $g=10\,m / s ^{2}$ ]
JEE MAIN 2022, Medium
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