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11.Thermodynamics
easy
Which is the correct statement
A
For an isothermal change $PV =$ constant
B
In an isothermal process the change in internal energy must be equal to the work done
C
For an adiabatic change $\frac{{{P_2}}}{{{P_1}}} = {\left( {\frac{{{V_2}}}{{{V_1}}}} \right)^\gamma }$, where $\gamma $ is the ratio of specific heats
D
In an adiabatic process work done must be equal to the heat entering the system
Solution
(a) Since $PV = RT$ and $T = $ constant; $\therefore \;PV = $ constant.
Standard 11
Physics
