Question

State and explain first law of thermodynamics. discuss its use in isothermal and adiabatic processes

Answer 1

$\textbf{\large{Answer -}}$

First law of thermodynamics is also known as $\textbf{Law of conservation of energy.}$

According to this law,

"Energy can neither be created nor be destroyed although it maybe converted from one form to another."

OR

"The energy of the universe remains constant although it may undergo transformation from one form to another."