Dimensions of the following three quantities are the same:
1. Work, energy, force
2. Velocity, momentum, impulse
3. Potential energy, kinetic energy, momentum
4. Pressure, stress, coefficient of elasticity
The dimensions of Planck's constant and angular momentum are respectively
1. ML2T−1 and MLT−1
2. ML2T−1 and ML2T−1
3. MLT−1 and ML2T−1
4. MLT−1 and ML2T−2
Let [ε0] denotes the dimensional formula of the permittivity of the vacuum and [μ0] that of the permeability of the vacuum. If M = mass, L = length, T = Time and I = electric current, then
1. [ε0]=M−1L−3T2I
2. [ε0]=M−1L−3T4I2
3. [μ0]=MLT−2I−3
4. [μ0]=ML2T−1I
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
ML−1T−2 represents
1. Stress
2. Young's Modulus
3. Pressure
4 All the above three quantities
Dimensions of magnetic field intensity is
1. [M0L−1T0A1]
2. [MLT−1A−1]
3. [ML0T−2A−1]
4. [MLT−2A]
The force F on a sphere of radius ‘a’ moving in a medium with velocity ‘v’ is given by F=6πηav. The dimensions of η are
1. ML−1T−1
2. MT−1
3. MLT−2
4. ML−3
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