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Work Done in Reversible Adiabatic Process

In a isotherm...

Question

In a isothermal expansion of an ideal gas:

A

internal energy decreases

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B

internal energy increases

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C

complete energy decreases

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D

internal energy remains constant

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Solution

The correct option is D internal energy remains constant
In a isothermal expansion of an ideal gas, the temperature is constant. Hence, internal energy remains constant.
$Δ U = 0$
$W = - q$

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