48. Which of the following is incorrect regarding the first law of thermodynamics
(a) It introduces the concept of the internal energy
(b) It introduces the concept of the entropy
(c) It is not applicable to any cyclic process
(d) None of the above
Ans. b
(21)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)