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A lead shot of 1 mm diameter falls throu...

A lead shot of 1 mm diameter falls through a long column of glycerin. The variation of its velocity v with distance covered s is represented by:

A

B

C

D

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The correct Answer is:
A
Initially, the velocity increases due to the action of gravity. But the graph is not linear due to the upthrust exerted by glycerine. Then due to viscosity of glycerine, the lead shots attains a constant terminal velocity.
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