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General
Easy
Question
An ideal gas undergoes the process 1 to 2 as shown in the figure, the heat supplied and work done in the process is 
and 
respectively. The ratio 
is
The correct answer is:
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A given mass of a gas expands from a state A to the state B by three paths 1,2 and 3 as shown in T-V indicator diagram. If 
and 
respectively be the work done by the gas along the three paths, then
A given mass of a gas expands from a state A to the state B by three paths 1,2 and 3 as shown in T-V indicator diagram. If and respectively be the work done by the gas along the three paths, then
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One mole of a gas expands obeying the relation as shown in the P-V diagram. The maximum temperature in this process is equal to
One mole of a gas expands obeying the relation as shown in the P-V diagram. The maximum temperature in this process is equal to
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The process AB is shown in the diagram. As the gas is taken from A to B, its temperature
The process AB is shown in the diagram. As the gas is taken from A to B, its temperature
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An ideal gas undergoes a thermodynamics cycle as shown in figure. Which of the following graphs represents the same cycle?
An ideal gas undergoes a thermodynamics cycle as shown in figure. Which of the following graphs represents the same cycle?
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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
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
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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 :
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 
in the given diagram. The specific heat for this process is :
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 :
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 
versus volume (V) graph will be :
Pressure versus temperature graph of an ideal gas is as shown in figure corresponding density versus volume (V) graph will be :
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In the P-V diagram shown in figure 
is a semicircle, The work done in the process 
is:
In the P-V diagram shown in figure is a semicircle, The work done in the process is:
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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 
. Density at B will be :
Pressure versus temperature graph of an ideal gas is as shown in figure. Density of the gas at point A is . Density at B will be :
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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 :
P-V diagram of an ideal gas is as shown in figure. Work done by the gas in the process ABCD is :
Physics-General
Physics-
A gas is expanded from volume 
to 
under three different processes. Process 1 is isobaric, process 2 is isothermal and process 3 is adiabatic. Let 
and 
be the change in internal energy of the gas in these three processes. Then :
A gas is expanded from volume to under three different processes. Process 1 is isobaric, process 2 is isothermal and process 3 is adiabatic. Let and be the change in internal energy of the gas in these three processes. Then :
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