In an adiabatic expansion of a gas initial and final temperatures are ${T_1}$ and ${T_2}$ respectively, then the change in internal energy of the gas is
In an adiabatic expansion of a gas initial and final temperatures are ${T_1}$ and ${T_2}$ respectively, then the change in internal energy of the gas is
- A
$\frac{R}{{\gamma - 1}}({T_2} - {T_1})$
- B
$\frac{R}{{\gamma - 1}}({T_1} - {T_2})$
- C
$R({T_1} - {T_2})$
- D
Zero
Similar Questions
Six moles of an ideal gas performs a cycle shown in figure. If the temperature are $T_A = 600\,K,\,\,T_B = 800\,K,\,\,T_C = 2200\,K$ and $T_D = 1200\,K,$ the work done per cycle is...... $kJ$
Six moles of an ideal gas performs a cycle shown in figure. If the temperature are $T_A = 600\,K,\,\,T_B = 800\,K,\,\,T_C = 2200\,K$ and $T_D = 1200\,K,$ the work done per cycle is...... $kJ$
An ideal gas expands isothermally from a volume $V_1$ to $V_2$ and then compressed to original volume $V_1$ adiabatically. Initial pressure is $P_1$ and final pressure is $P_3$. The total work done is $W$. Then
An ideal gas expands isothermally from a volume $V_1$ to $V_2$ and then compressed to original volume $V_1$ adiabatically. Initial pressure is $P_1$ and final pressure is $P_3$. The total work done is $W$. Then
The efficiency of a carnot engine is $0.6$.It rejects total $20 \ J$ of heat. The work done by the engine is .... $J$
The efficiency of a carnot engine is $0.6$.It rejects total $20 \ J$ of heat. The work done by the engine is .... $J$
The $P-V$ diagram of $2\,g$ of helium gas for a certain process $A\to B$ is shown in the figure. What is the heat given to the gas during the process $A \to B$?
The $P-V$ diagram of $2\,g$ of helium gas for a certain process $A\to B$ is shown in the figure. What is the heat given to the gas during the process $A \to B$?
A perfect gas is found to obey the relation $PV^{3/2} =$ constant, during an adiabatic process. If such a gas, initially at a temperature $T$, is compressed adiabatically to half its initial volume, then its final temperature will be
A perfect gas is found to obey the relation $PV^{3/2} =$ constant, during an adiabatic process. If such a gas, initially at a temperature $T$, is compressed adiabatically to half its initial volume, then its final temperature will be