General Conference on Weights and Measures in 1971 adopted seven quantities as fundamental base...

Solar constant is the amount of energy received from the sun per second per unit area by a perfect...

Let P be a particle on a smooth plane inclined at an angle alpha to the horizon. If ABC represent...

When a body falls towards the earth we can notice that its velocity increases as it approaches...

Here is how we derive mass energy equivalence Force is defined as rate of change of momentum i.e.,...

The special theory of relativity is valid only for inertial systems i.e.  Systems moving with...