Question

State first law of thermodynamics.

Answer 1

The 1st Law of Thermodyamics simply states that energy can be neither created nor destroyed (conservation of energy). Thus power generation processes and energy sources actually involve conversion of energy from one form to another, rather than creation of energy from nothing

Answer 2

First law of thermodynamics : 1. The total internal energy of an isolated system is constant. 2. Energy can be converted from one to other form but can not be created or destroyed. 3. The total energy of the universe is constant.