An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then the dimension of the constant of proportionality is:
1. ML–1T–1
2. MLT–1
3. M0LT–1
4. ML0T–1
Which of the following quantities is dimensionless
1. Gravitational constant
2. Planck's constant
3. Power of a convex lens
4. None
The dimensional formula for Boltzmann's constant is
1.
2.
3.
4.
The physical quantities not having the same dimensions are:
1. Speed and
2. Torque and work
3. Momentum and Planck's constant
4. Stress and Young's modules
The dimensional formula of relative density is:
1. ML–3
2. LT–1
3. MLT–2
4. Dimensionless
The dimensional formula for young's modulus is
1.
2.
3. MLT–2
4.
Frequency is the function of density , length (a) and surface tension (T). Then its value is
1. k.
2.
3.
4.