Chapter-11 Heat and Thermodynamics MCQs

MCQs are made in such a way that no important aspect is missed out. Any student taking a test and getting more than 90% marks will surely get similar marks in board exam. Collision among gas molecules themselves and with the walls of the container are assumed to be perfectly inelastic? No heat engine can be more efficient than a carnot engine operating between the same two temperature? A heat engine is a device which converts a part of thermal energy into work?