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PhysicsJEE Main 23 Jan 2026, Shift 2·Q14·MCQ·Moderate

Thermodynamics · Thermodynamic processes

One mole of an ideal diatomic gas expands from volume VV to 2V2V isothermally at a temperature 27∘27^\circC and does WW joule of work. If the gas undergoes same magnitude of expansion adiabatically from 27∘27^\circC doing the same amount of work WW, then its final temperature will be (close to) ∘^\circC.
  1. (1)−189-189
  2. (2)−56-56
  3. (3)−30-30
  4. (4)−117-117

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