Question

As per einsteins theory, energy equivalent of 1 gm (one gram) substance will be

Answer 1

Hey mate here is ur answer

One watt is equal to 10 million ergsper second. One watt is equal to 1Joule per second of power, or 1 Jouleper second of energy consumption or dissipation. Einstein's equation states that the amount of energy you have isequal to the mass involved times the square of the speed of light.

Hope this will help u a lot