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General
Easy
Question
PV curve for the process whose VT curve is
The correct answer is:
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An enclosed ideal gas is taken through a cycle as shown in the figure. Then
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Two moles of monoatomic gas is expanded from (P0, V0 ) to (P0 , 2V0 ) under isobaric condition. Let 
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Two moles of monoatomic gas is expanded from (P0, V0 ) to (P0 , 2V0 ) under isobaric condition. Let , be the heat given to the gas, the work done by the gas and the change in internal energy. Now the monoatomic gas is replaced by a diatomic gas. Other conditions remaining the same. The corresponding values in this case are , , respectively, then
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Figure shows the pressure P versus volume V graphs for two different gas sample at a given temperature. MA and MB are masses of two samples, nA and nB are numbers of moles. Which of the following must be incorrect.
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A process is shown in the diagram. Which of the following curves may represent the same process ?
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A resistance coil connected to an external battery is placed inside an adiabatic cylinder fitted with a frictionless pistn and containing an ideal gas. A current i flows through the coil which has a resistance R. At what speed must the piston move upward in order that the temperature of the gas remains unchanged? Neglect atmospheric pressure.
A resistance coil connected to an external battery is placed inside an adiabatic cylinder fitted with a frictionless pistn and containing an ideal gas. A current i flows through the coil which has a resistance R. At what speed must the piston move upward in order that the temperature of the gas remains unchanged? Neglect atmospheric pressure.
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Considere the thermodynamics cycle shown on PV diagram. The process A 
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The heat flow in the process 
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A closed container is fully insulated from outside. One half of it is filled with an ideal gas X separated by a plate P from the other half Y which contains a vacuum as shown in figure. When P is removed, X moves into Y. Which of the following statements is correct?
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Three processes compose a thermodynamics cycle shown in the PV diagram. Process 12 takes place at constant temperature. Process 23 takes place at constant volume, and process 31 is adiabatic. During the complete cycle, the total amount of work done is 10 J. During process 23, the internal energy decrease by 20J and during process 31, 20 J of work is done on the system. How much heat is added to the system during process 12?
Three processes compose a thermodynamics cycle shown in the PV diagram. Process 12 takes place at constant temperature. Process 23 takes place at constant volume, and process 31 is adiabatic. During the complete cycle, the total amount of work done is 10 J. During process 23, the internal energy decrease by 20J and during process 31, 20 J of work is done on the system. How much heat is added to the system during process 12?
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Two identical vessels A & B contain equal amount of ideal monoatomic gas. The piston of A is fixed but that of B is free. Same amount of heat is absorbed by A & B. If B's internal energy increases by 100 J the change in internal energy of A is
Two identical vessels A & B contain equal amount of ideal monoatomic gas. The piston of A is fixed but that of B is free. Same amount of heat is absorbed by A & B. If B's internal energy increases by 100 J the change in internal energy of A is
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A gas takes part in two processes in which it is heated from the same initial state 1 to the same final temperature. The processes are shown on the P-V diagram by the straight line 1-2 and 1-3. 2 and 3 are the points on the same isothermal curve. Q1 and Q2 are the heat transfer along the two processes. Then
A gas takes part in two processes in which it is heated from the same initial state 1 to the same final temperature. The processes are shown on the P-V diagram by the straight line 1-2 and 1-3. 2 and 3 are the points on the same isothermal curve. Q1 and Q2 are the heat transfer along the two processes. Then
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A ideal monoatomic gas is carried around the cycle ABCDA as shown in the fig. The efficiency of the gas cycle is
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Three processes form a thermodynamic cycle as shown on P-V diagram for an ideal gas. Process 1 2 takes place at constant temperature (300K). Process 2 3 takes place at constant volume. During this process 40J of heat leaves the system. Process 3 1 is adiabatic and temperature T3 is 275K. Work done by the gas during the process 3 1 is
Three processes form a thermodynamic cycle as shown on P-V diagram for an ideal gas. Process 1 2 takes place at constant temperature (300K). Process 2 3 takes place at constant volume. During this process 40J of heat leaves the system. Process 3 1 is adiabatic and temperature T3 is 275K. Work done by the gas during the process 3 1 is
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The figure, shows the graph of logarithmic reading of pressure and volume for two ideal gases A and B undergoing adiabatic process. From figure it can be concluded that
The figure, shows the graph of logarithmic reading of pressure and volume for two ideal gases A and B undergoing adiabatic process. From figure it can be concluded that
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