NEET UG 2026 · Physics · Question 17
NEET 2026 Physics, question 17
Question 17 of the NEET 2026 paper (re-exam) is a Physics question from Thermodynamics. Its idea, Adiabatic Work Calculation, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q17 · Physics
In an adiabatic expansion, the temperature of one mole of an ideal monatomic gas () decreases from 60K to 50K. The work done by the gas in the process is :
(Take the universal gas constant as R=8.3 J mol K)
- 141.5 J
- 283 J
- 3124.5 JOfficial answer
- 4166 J
Official answer: option 3 · NTA final answer key
Same idea
The only question on Adiabatic Work Calculation
No other NEET paper from 2017–2026 tested this exact idea.
Adiabatic Work Calculation: 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. Laws of Thermodynamics alone had 10.