
The physical quantities not having same dimensions are :


Important Questions on Dimensional Analysis
A particles with initial velocity is moving with uniform acceleration The distance moved by the particle in the second is given by The dimension of must be :

The time dependent of a physical quantity is given by where is a constant and is time. The constant

The ground-state energy of electron in hydrogen atom is given by where is Rydberg constant. The dimension of :

If force then the dimensions of and will be:

The notations repersent energy, mass, angular momentum and gravitational constant respectively. has the dimensions of :

If force velocity and time are taken as fundamental units, the dimensions of mass are :

The variation of pressure with distance is given by
where are constants, is Boltzmann constant and is temperature. The dimensional formula of will be:

Choose the correct statement (s) :
