A small ball is dropped in a viscous liquid. Its fall in the liquid is best described by the figure:

Curve A

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Curve B

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Curve C

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Curve D

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Solution

The correct option is B Curve C
Initially when the ball falls, it starts accelerating due to gravity. But viscous force opposes it. So it attains a terminal velocity and then its acceleration becomes zero then it remains constant which is best described by curve C.

Hence curve C is the right option.

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A small ball is dropped in a viscous liquid. Its fall in the liquid is best described by the figure:

The correct option is B Curve CInitially when the ball falls, it starts accelerating due to gravity. But viscous force opposes it. So it attains a terminal velocity and then its acceleration becomes zero then it remains constant which is best described by curve C.Hence curve C is the right option.