Dimensional analysis class XI

SI unit of pressure is

• Pascal

• cm of Hg

• Atmosphere

• none of these

The unit of power is

• Joule

• Joule per second

• Watt

• Joule per second and watt both

Select the pair whose dimensions are same

• Pressure and stress

• Stress and strain

• Pressure and force

• Power and force

The pair having the same dimensions is

• Angular momentum, work

• Work, torque

• Potential energy, linear momentum

• Kinetic energy, velocity

The physical quantity that has no dimensions

• Angular Velocity

• Strain

• Linear momentum

• Angular momentum

Dimensions of the following three quantities are the same

• Work, energy, force

• Velocity, momentum, impulse

• Potential energy, kinetic energy, momentum

• Pressure, stress, coefficient of elasticity

Out of the following which pair of quantities do not have same dimensions

• Planck's constant and angular momentum

• Work and energy

• Pressure and Young's modulus

• Torque & moment of inertia

Of the following quantities, which one has dimensions different from the remaining three

• Energy per unit volume

• Force per unit area

• Product of voltage and charge per unit volume

• Angular momentum per unit mass