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Question
In an isothermal process, the volume of an ideal gas is halved. One can say that ____________.
Options
internal energy of the system decreases
work done by the gas is positive
work done by the gas is negative
internal energy of the system increases
MCQ
Fill in the Blanks
Solution
In an isothermal process, the volume of an ideal gas is halved. One can say that work done by the gas is negative.
Explanation:
For an Isothermal process,
dU = 0 and work done = dW = P (V2 - V1)
`therefore "v"_2 = "v"_1/2 = "v"/2`
`therefore "dW" = - "PV"/2`
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Thermodynamic Process
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