Verified Solution • 2025–26 Session moderate

QPage 77: Q3: HC Verma: Concepts of Physics - Volume 2 Specific Heat Capacities of Gases Page 77: Q3 Solution: Let Q and W denote the amount of heat given to an ideal gas and …

⚠️ Common Exam Traps & Conceptual Pitfalls

Students often think an adiabatic process implies no work, writing $W=0$ or $Q=W$, but adiabatic only means $Q=0$; the gas can still expand or compress, so $Delta U=-W$ and work is generally non‑zero.

Let Q and W denote the amount of heat given to an ideal gas and the work done by it in an adiabatic process.

Multiple Choice Options

  • A Q = 0
  • B W = 0
  • C Q = W
  • D Q ≠\neq W

Step-by-Step Verified Solution

**Answer:** (a) Q = 0. **Step-by-Step Explanation:** For an adiabatic process, Q = 0 by definition.

All Questions in this Chapter

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