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in Physics by (92.3k points)
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a container filled with glycerine of density σ becomes constant after sometime. The viscous force acting on the ball in the final stage is
A. `mg ((sigma )/(rho))`
B. `mg (1+(sigma )/(rho))`
C. `mg (1- (sigma)/(rho))`
D. mg

1 Answer

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by (93.5k points)
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Best answer
Correct Answer - C
`F_(v) =mg -Th `
`=mg (1- (Th)/(mg))=mg (1- (v sigmag)/(v rhog))`
`=mg (1- (sigma)/(rho))`

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