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Viscosity, Stokes' law, terminal velocity, streamline and turbulent flow, critical velocity

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Every question from past board papers on Viscosity, Stokes' law, terminal velocity, streamline and turbulent flow, critical velocity, newest paper first. Open any question for its full worked answer.

NEET UG 2022 question paper (official, booklet R6)

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  1. A spherical ball is dropped in a long column of a highly viscous liquid. The curve in the graph shown, which represents the speed of the ball (\(v\)) as a function of time (t) is :

    v-t graph with four curves A, B, C, D

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NEET UG 2021 question paper (official, booklet M4)

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  1. The velocity of a small ball of mass M and density d, when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is \(\frac{d}{2}\), then the viscous force acting on the ball will be :

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NEET UG 2018 question paper (official, booklet EE)

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  1. A small sphere of radius 'r' falls from rest in a viscous liquid. As a result, heat is produced due to viscous force. The rate of production of heat when the sphere attains its terminal velocity, is proportional to

    4 marks · See worked answer →