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Friday, 9 October

NEET UG 2023 · Physics · Question 26

NEET 2023 Physics, question 26

Question 26 of the NEET 2023 paper (code G6) is a Physics question from Thermodynamics. Its idea, Efficiency Definition, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q26 · Physics

A Carnot engine has an efficiency of 50% when its source is at a temperature 327° C. The temperature of the sink is :

  1. 1200° C
  2. 227° COfficial answer
  3. 315° C
  4. 4100° C

Official answer: option 2 · NTA final answer key

Same idea

The only question on Efficiency Definition

No other NEET paper from 2017–2026 tested this exact idea.

Efficiency Definition: every question and how it was framed

The chapter

Thermodynamics in ten years of NEET

32 questions from 2017–2026, asked in 10 of 10 papers, about 3.1 a paper. Carnot Engine alone had 3.

Thermodynamics: questions per paper

0364’174’183’193’202’212’222’234’243’255’26