Q.

Find correct statementA)  Due to viscosity, velocity of flow of water at the surface is more than that at the bottom in a river.   B)  Velocity gradient =dudxC) Viscosity coefficient is related to absolute temperature as η = A.eERT

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a

only A

b

Aand B

c

A and C

d

A, B and C

answer is D.

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Detailed Solution

Option A : Laminor flow ,Velocity gradient = dudx;η=A.eERT
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Find correct statementA)  Due to viscosity, velocity of flow of water at the surface is more than that at the bottom in a river.   B)  Velocity gradient =dudxC) Viscosity coefficient is related to absolute temperature as η = A.eERT