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Heat and Thermodynamics · UPSC CDS/OTA · Question 10 of 34

Heat and Thermodynamics: The specific heat of a gas at constant pressure is greater than that at constant volume because

Step-by-step solution. Heat and Thermodynamics for UPSC CDS/OTA.

Topic
Heat and Thermodynamics
Subject
General Studies
Difficulty
Medium
Solve Time
45-60 sec

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Q · Heat and ThermodynamicsMedium · 45s

The specific heat of a gas at constant pressure is greater than that at constant volume because:

TopicHeat and Thermodynamics
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

The complete worked solution.

Every step explained - no skipped algebra.

At constant pressure, gas expands & does work, requiring more heat input.

Final Answer: Option A - Gas does external work when heated at constant pressure.
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The specific heat of a gas at constant pressure is… - Heat and Thermodynamics (General Studies) Solved Question