Verified Solution • 2025–26 Session moderate

QNEET-2023-Ph-262: NEET 2023 Physics - Class 11 NEET-2023-Ph-262 Solution: A Carnot engine has an efficiency of 50% when its source is at…

A Carnot engine has an efficiency of 50% when its source is at a temperature 327∘C327^\circ C. The temperature of the sink is :- 15∘C15^\circ C 100∘C100^\circ C 200∘C200^\circ C 27∘C27^\circ C

Multiple Choice Options

  • A 15∘C15^{\circ} \mathrm{C} 1 5 _ C
  • B 100∘C100^{\circ} \mathrm{C} 10 0 _ C
  • C 200∘C200^{\circ} \mathrm{C} 20 0 _ C
  • D 27∘C27^{\circ} \mathrm{C} 2 7 _ C

Step-by-Step Verified Solution

Efficiency of carnot engine % _ = ( 1 _ T sink  T source  ) _ 100 T source  = 327 _ C = 600   K 50 = ( 1 _ T sink  600 ) _ 100 1 2 = 1 _ T sink  600   T Sink  = 300   K So temp. of sink is _ C = 300 _ 2763 = 27 _ C

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