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Work done by a gas along a path on a P-V diagram

This type of question, asked 5 times: 2021 Paper 11, 29 Jul 2022, 31 Jan 2023, 29 Jan 2024, 23 Jan 2025. All 5 questions below, oldest first.

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  1. Question 1

    2021 Paper 11

    5
    If an ideal gas is taken through process ABAB then find work done on gas by external agent. Given curve ABAB is an ellipse.

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  2. Question 2

    29 Jul 2022

    107
    A thermodynamic system is taken from an original state DD to an intermediate state EE by the linear process shown in the figure. Its volume is then reduced to the original volume from EE to FF by an isobaric process. The total work done by the gas from DD to EE to FF will be

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  3. Question 3

    31 Jan 2023

    10
    The pressure of a gas changes linearly with volume from AA to BB as shown in figure. If no heat is supplied to or extracted from the gas then change in the internal energy of the gas will be

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  4. Question 4

    29 Jan 2024

    16
    A thermodynamic system is taken from an original state A to an intermediate state B by a linear process as shown in the figure. It's volume is then reduced to the original value from BB to CC by an isobaric process. The total work done by the gas from AA to BB and BB to CC would be:

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  5. Question 5

    23 Jan 2025

    93
    Using the given P-V diagram, the work done by an ideal gas along the path ABCD is-

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