1.

An ideal gas is expanded from (p_(1)V_(1)T_(1)) to (p_(2)V_(2)T_(2)) under different conditions. The correct statement (s) among the following is (are)

Answer»

<P>The work done by the gas is less when it is expanded reversibly from `V_(1)` to `V_(2)` under adiabatic conditions as compared to that when expanded reversibly from `V_(1)` to `V_(2)` under isothermal conditions.
The CHANGE in internak energy of the gas is (i) ZERO, if it is expanded reversibly with `T_(1)=T_(2)` and (ii) Positive, if it is expanded reversibly under adibatic conditions with `T_(1) ne T_(2)`.
If the expansion is carried out freely, it is simultaneously both isothermal as well as adiabatic.
The work done on the gas is maximum when it is compressed irreversibly from `(p_(2)V_(2))` to `(p_(1)V_(1))` against CONSTANT PRESSURE `p_(1)`.

Answer :A::C::D


Discussion

No Comment Found