Verified Solution • 2025–26 Session moderate

QPages 76-77: Q10: HC Verma: Concepts of Physics - Volume 2 Specific Heat Capacities of Gases Pages 76-77: Q10 Solution: Two samples A and B are initially kept in the same state.…

Two samples A and B are initially kept in the same state. Sample A is expanded through an adiabatic process and the sample B through an isothermal process. The final volumes of the samples are the same. The final pressures in A and B are pAp_A and pBp_B respectively.

Multiple Choice Options

  • A pA>pBp_A > p_B
  • B pA=pBp_A = p_B
  • C pA<pBp_A < p_B
  • D The relation between pAp_A and pBp_B cannot be deduced.

Step-by-Step Verified Solution

**Answer:** (c) p_A < p_B. **Step-by-Step Explanation:** For adiabatic expansion, pressure drops faster than for isothermal expansion. So p_A < p_B.

All Questions in this Chapter

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