The dimensions of angular momentum are
The angular momentum L of a particle with respect to point whose position vector is r is given by
Where p is the linear momentum of the moving particle.
∴ Dimensions of L = dimension of r × dimensions of p
The unit of impulse is the same as that of
The SI unit of the universal gravitational constant G is
The dimension of the coefficient of thermal conductivity are
The dimensions of energy per unit volume are the same as those of
The SI unit of Stefan’s constant is
The quantities L/R and RC (where L, C and R stand for inductance, capacitance and resistance respectively) have the same dimensions as those of
The dimensions of entropy are
What is the physical quantity whose dimensions are
The gravitational force F between two masses m1 and m2 separated by a distance r is given by where G is the universal gravitational constant. What are the dimensions of G?
According to the quantum theory, the energy E of a photon of frequency v is given by
Where h is Plank’s constant. What is the dimensional formula for h?