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Relation between P, V, T, Gamma in Adiabatic Proceses

If the change...

Question

If the change in internal energy of an ideal gas is equal to negative of the work done by the system, then

A

the process may be adiabatic

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B

the process may be isothermal

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C

the process must be isobaric

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D

the temperature must decrease

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Solution

The correct option is A the process may be adiabatic
If $△$ U = -W
Then,
Q = 0
i.e. no heat is exchanged.
$∴$ The process may be adiabatic.
ANSWER : A

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