The dimensions of Planck's constant and angular momentum are respectively
1. and
2. and
3. and
4. and
Let denotes the dimensional formula of the permittivity of the vacuum and that of the permeability of the vacuum. If M = mass, L = length, T = Time and I = electric current, then
1.
2.
3.
4.
Dimensions of CR are those of
1. Frequency
2. Energy
3. Time period
4. Current
The physical quantity that has no dimensions
1. Angular Velocity
2. Linear momentum
3. Angular momentum
4. Strain
represents
1. Stress
2. Young's Modulus
3. Pressure
4 All the above three quantities
Dimensions of magnetic field intensity is
1.
2.
3.
4.
The force F on a sphere of radius ‘a’ moving in a medium with velocity ‘v’ is given by . The dimensions of are
1.
2.
3.
4.
Which physical quantities have the same dimensions?
1. Couple of force and work
2. Force and power
3. Latent heat and specific heat
4. Work and power
Two quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful?
1. A/B
2. A + B
3. A – B
4. None
Given that v is speed, r is the radius and g is the acceleration due to gravity. Which of the following is dimensionless?
1.
2.
3.
4.