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 

(1) [ML2T2]

(2) [ML1T1]

(3) [ML2T2]

(4) [M0L0T0]

Subtopic:  Dimensions |
 83%
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Identify the pair whose dimensions are equal  

(1) Torque and work

(2) Stress and energy

(3) Force and stress

(4) Force and work

Subtopic:  Dimensions |
 84%
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The dimensions of pressure are equal to:

(1) Force per unit volume

(2) Energy per unit volume

(3) Force

(4) Energy

Subtopic:  Dimensions |
 81%
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Which of the two have the same dimensions?

(1) Force and strain

(2) Force and stress

(3) Angular velocity and frequency

(4) Energy and strain

Subtopic:  Dimensions |
 78%
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An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then the dimension of the constant of proportionality is:

(1) ML–1T–1

(2) MLT–1

(3) M0LT–1

(4) ML0T–1

Subtopic:  Dimensions |
 59%
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The dimensions of emf in MKS are-

(1) M0L2T3A1

(2) ML1T3A1

(3) ML2T2A1

(4) ML2T3A1

Subtopic:  Dimensions |
 59%
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PMT - 2002
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Which of the following quantities is dimensionless

(1) Gravitational constant

(2) Planck's constant

(3) Power of a convex lens

(4) None

Subtopic:  Dimensions |
 67%
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The dimensional formula for Boltzmann's constant is 

(1) [ML2T2θ1]

(2) [ML2T2]

(3) [ML0T2θ1]

(4) [ML2T1θ1]

Subtopic:  Dimensions |
 72%
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The dimensions of K in the equation W=12  Kx2 is 

(1) M1L0T2

(2) M0L1T1

(3) M1L1T2

(4) M1L0T1

Subtopic:  Dimensions |
 81%
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The physical quantities not having the same dimensions are: 

(1) Speed and (μ0ε0)1/2

(2) Torque and work

(3) Momentum and Planck's constant

(4) Stress and Young's modules

Subtopic:  Dimensions |
 72%
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