Question
What informations are provided by the First law of Thermodynamics?
Solution
From the first law, we learn that:
(i) Different forms of energy are interconvertible i.e. one form of energy can be converted into another.
(ii) Whenever one form of energy disappears, an equivalent amount of energy in another form appears.
(iii) Total energy of the universe i.e. energy of the system and surroundings taken together remains constant.
