MHT CET · Physics · Thermodynamics
The internal energy of a gas will increase when it
- A expands adiabatically.
- B is compressed adiabatically.
- C expands isothermally.
- D is compressed isothermally.
Answer & Solution
Correct Answer
(B) is compressed adiabatically.
Step-by-step Solution
Detailed explanation
In an adiabatic process, \(\Delta U=-\Delta \mathrm{W}\). In compression \(\Delta \mathrm{W}\) is negative, hence \(\Delta \mathrm{U}\) is positive which implies increase in internal energy.
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