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Obtain an expression for work done by a gas in an isothermal expansion.

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Knowledge Check

  • In a isothermal expansion of a gas

    A
    a pressure remains constant
    B
    temperature remains constant
    C
    density remains constant
    D
    None of these

  • In isothermal expansion of a gas:

    A
    the kinetic energy of gas molecules remains same
    B
    the kinetic energy of a gaseous molecules decreases
    C
    pressure of gas decreases
    D
    the kinetic energy of gaseous molecules increases

  • Work done in reversible isothermal expansion is given by

    A
    `-2.303 RT log V_(2)/V_(1)`
    B
    `nR/(lambda -1)(T_(2) - T_(1))`
    C
    `2.303 RT log V_(2)/V_(1)`
    D
    None of these

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