Q123. Which law of thermodynamics makes a perpetual motion machine of the second kind—a machine that would convert heat from a single reservoir completely into work—physically impossible?Physics — NUST Mock By IBAGRADS 2 — Question 123 of 200A. First Law of ThermodynamicsB. Second Law of ThermodynamicsC. Third Law of ThermodynamicsD. None of thesePractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →