JEE · NEET Previous Year Question
Which one of the following equations does not correctly represent the first law of thermodynamics for the given processes involving an ideal gas? (Assume non-expansion work is zero)
Topic: JEE PYQ
Answer: B. Full step-by-step solution below.
- ACyclic process:
- BAdiabatic process:
- CIsochoric process:
- DIsothermal process:
Correct answer: B
Solution
(b)From first law of thermodynamics.
For adiabatic process,
For isothermal process
For cyclic process,
For isochoric process,
More Thermodynamics PYQs
- Choose the correct option for free expansion of an ideal gas under adiabatic condition from the following:
- The species which by definition has ZERO standard molar enthalpy of formation at 298 K is :
- Given that …
- Which of the following statements is correct for the spontaneous adsorption of a gas?
- Match List-I with List-II (matching question)