$Assertion :$ Reversible systems are difficult to find in real world.
$Reason :$ Most processes are dissipative in nature.
$Reason :$ Most processes are dissipative in nature.
AIIMS 2005, Easy
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1A system changes from the state $({P_1},\;{V_1})$ to $({P_2},{V_2})$ as shown in the figure. What is the work done by the systemView Solution
- 2View SolutionIn an isothermal process the volume of an ideal gas is halved. One can say that
- 3View SolutionWhich of the following can be coefficient of performance of refrigerator?
- 4A thermodynamic process is shown in the figure. The pressures and volumes corresponding to some points in the figure are :View Solution
${P_A} = 3 \times {10^4}Pa,\;{P_B} = 8 \times {10^4}Pa$ and ${V_A} = 2 \times {10^{ - 3}}{m^3},\;{V_D} = 5 \times {10^{ - 3}}{m^3}$
In process $AB$, $600 J$ of heat is added to the system and in process $BC, 200 J $ of heat is added to the system. The change in internal energy of the system in process $ AC$ would be ...... $J$
- 5The adjoining figure shows the $P-V$ diagram for a fixed mass of an ideal gas undergoing cyclic process. $AB$ represents isothermal process and $CA$ represents isochoric process.Which of the graph shown in the following figures represents the $P-T$ diagram of the cyclic process ?View Solution
- 6The pressure $P_{1}$ and density $d_{1}$ of diatomic gas $\left(\gamma=\frac{7}{5}\right)$ changes suddenly to $P _{2}\left(> P _{1}\right)$ and $d _{2}$ respectively during an adiabatic process. The temperature of the gas increases and becomes $......$ times of its initial temperature.$\left(\right.$ given $\left.\frac{ d _{2}}{ d _{1}}=32\right)$View Solution
- 7A scientist says that the efficiency of his heat engine which operates at source temperature $127°C$ and sink temperature $27°C$ is $26\%$, thenView Solution
- 8An 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 $W$. ThenView Solution
- 9In the $p-V$ diagram below, the dashed curved line is an adiabat.For a process that is described by a straight line joining two points $X$ and $Y$ on the adiabat (solid line in the diagram) heat is (Hint consider the variation in temperature from $X$ to $Y$ along the straight line)View Solution
- 10An ideal gas at ${27^o}C$ is compressed adiabatically to $\frac{8}{{27}}$ of its original volume. If $\gamma = \frac{5}{3}$, then the rise in temperature is........ $K$View Solution