NEET Physics Thermodynamics Questions Solved


A Carnot's engine used first an ideal monoatomic gas then an ideal diatomic gas. If the source and sink temperature are 411°C and 69°C respectively and the engine extracts 1000 J of heat in each cycle, then area enclosed by the PV diagram is -

(1) 100 J

(2) 300 J

(3) 500 J

(4) 700 J

Difficulty Level:

  • 14%
  • 24%
  • 49%
  • 16%
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