Which of the following sets have different dimensions?
Pressure, Young’s modulus, Stress
Emf, Potential difference, Electric potential
Heat, Work done, Energy
Dipole moment, Electric flux, Electric field
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The dimensions of matches with the dimensions of
Given that υ is speed, r is the radius and g is the acceleration due to gravity. Which of the following is dimensionless
The number of particles given by are crossing a unit area perpendicular to x-axis in unit time, where and are the number of particles per unit volume for the values and of x respectively. Then the dimensional formula of diffusion constant D is
Surface tension has the same dimensions as that of
Coefficient of viscosity
Impulse
Momentum
Spring constant
Which one of the following does not have the same dimensions
Work and energy
Angle and strain
Relative density and refractive index
Planck constant and energy
If C,R,L and I denote capacity, resistance, inductance and electric current respectively, the quantities having the same dimensions of time are
(1), (2) and (3)
(1), (2) and (4)
(1), (3) and (4)
(2), (3) and (4)