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General
Easy
Question
A cylindrical tube of cross-sectional area A has two air tight frictionless pistons at its two ends. The pistons are tied with a straight two ends. The pistons are tied with a straight piece of metallic wire. The tube contains a gas at atmospheric pressure 
and temperature 
If temperature of the gas is doubled then the tension in the wire is
The correct answer is:
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An ideal gas is taken through the cycle 
, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C→A is :
An ideal gas is taken through the cycle , as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C→A is :
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plots for two gases during adiabatic processes are shown in the figure. Plots 1 and 2 should correspond respectively to :
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One mole of a monoatomic ideal gas undergoes the process 
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One mole of a monoatomic ideal gas undergoes the process in the given diagram. The specific heat for this process is :
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The figure shows two paths for the change of state of a gas from A to B. The ratio of molar heat capacities in path 1 and path 2 is :
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Pressure versus temperature graph of an ideal gas is as shown in figure corresponding density 
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Pressure versus temperature graph of an ideal gas is as shown in figure. Density of the gas at point A is 
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Volume versus temperature graph of two moles of helium gas is as shown in figure. The ratio of heat absorbed and the work done by the gas in process 1-2 is :
Volume versus temperature graph of two moles of helium gas is as shown in figure. The ratio of heat absorbed and the work done by the gas in process 1-2 is :
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P-V diagram of an ideal gas is as shown in figure. Work done by the gas in the process ABCD is :
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A gas is expanded from volume 
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Ideal gas is taken through the process shown in the figure :
Ideal gas is taken through the process shown in the figure :
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Pressure versus density graph of an ideal gas is shown in figure :
Pressure versus density graph of an ideal gas is shown in figure :
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Three moles of an ideal monoatomic gas performs a cycle 
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An ideal monoatomic gas undergoes a cyclic process ABCA as shown in the figure. The ratio of heat absorbed during AB to the work done on the gas during BC is :
An ideal monoatomic gas undergoes a cyclic process ABCA as shown in the figure. The ratio of heat absorbed during AB to the work done on the gas during BC is :
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In a cyclic process shown in the figure an ideal gas is adiabatically taken from B to A, the work done on the gas during the process B → A is 30 J , when the gas is taken from A→B the heat absorbed by the gas is 20 J. The change in internal energy of the gas in the process A→B is :
In a cyclic process shown in the figure an ideal gas is adiabatically taken from B to A, the work done on the gas during the process B → A is 30 J , when the gas is taken from A→B the heat absorbed by the gas is 20 J. The change in internal energy of the gas in the process A→B is :
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