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Thermodynamics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsThermodynamics1 Mark
MCQ
In an isothermal expansion
  • A
    Internal energy of the gas increases
  • B
    Internal energy of the gas decreases
  • ✓
    Internal energy remains unchanged
  • D
    Average kinetic energy of gas molecule decreases
✓

Answer

Correct option: C.
Internal energy remains unchanged
In isothermal expansion temperature remains constant, hence no change in internal energy.

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