Physics And Measurement Question 140

Question: According to Newton, the viscous force acting between liquid layers of area A and velocity gradient Δv/Δz is given by F=ηAΔvΔz where η is constant called coefficient of viscosity. The dimension of η are?

[JIPMER 2001, 02]

Options:

A) [ML2T2]

B) [ML1T1]

C) [ML2T2]

D) [M0L0T0]

Show Answer

Answer:

Correct Answer: B

Solution:

F=ηAΔvΔz[η]=[ML1T1]

As F=[MLT2],A=[L2],ΔvΔz=[T1]



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