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NEET Questions / Physics / Units And Measurement / Conversion Of Units For One System To Another
Which of the following quantities is dimensionless
Velocity
Acceleration
Force
Strain
What is the dimensional formula of , where the letters have their usual meanings?
Which of the following five physical parameters have the same dimensions (A) Energy density (B) Refractive index (C) Dielectric constant (D) Youngβs modulus (E) Magnetic field
(A) and (B)
(A) and (D)
(B) and (C)
(C) and (E)
The only mechanical quantity which has negative dimension of mass is
Angular momentum
Torque
Coefficient of thermal conductivity
Gravitational constant
In the following list, the only pair which have different dimensions, is
Linear momentum and moment of a force
Planckβs constant and angular momentum
Pressure and modulus of electricity
Torque and potential energy
The dimensions of pressure is equal to
Force per unit volume
Energy per unit volume
Force
energy