A fix amount of nitrogen gas (1 mole) is taken and is subjected to pressure and temperature variation. The experiment is performed at high pressure as well as high temperatures. The results obtained are shown in the figures. The correct variation of PV/RT with P will be exhibited by

1.  4                                     

2.  3

3.  2                                     

4.  1

A pressure P - absolute temperature T diagram was obtained when a given mass of gas was heated. During the heating process from the state 1 to state 2 the volume

1. Remained constant                   

2. Decreased

3. Increased                                 

4. Changed erratically

The figure shows the volume V versus temperature T graphs for a certain mass of a perfect gas at two constant pressures of ${\mathrm{P}}_1$ and ${\mathrm{P}}_2$ . What interference can you draw from the graphs

1. ${\mathrm{P}}_1 > {\mathrm{P}}_2$

2. ${\mathrm{P}}_1 < {\mathrm{P}}_2$

3.  ${\mathrm{P}}_1={\mathrm{P}}_2$

4. No interference can be drawn due to insufficient information

From the following P-T graph what interference can be drawn

1. ${\mathrm{V}}_2 > {\mathrm{V}}_1$                             

2. ${\mathrm{V}}_2 < {\mathrm{V}}_1$

3. ${\mathrm{V}}_2 = {\mathrm{V}}_1$                             

4. None of the above

Pressure versus temperature graph of an ideal gas at constant volume V of an ideal gas is shown by the straight line A. Now mass of the gas is doubled and the volume is halved, then the corresponding pressure versus temperature graph will be shown by the line

1. A                           

2. B

3. C                         

 4. None of these

Two different masses m and 3m of an ideal gas are heated separately in a vessel of constant volume, the pressure P and absolute temperature T, graphs for these two cases are shown in the figure as A and B. The ratio of slopes of curves B to A is

1.  3 : 1                           

2.  1 : 3

3.  9 : 1                           

4.  1 : 9

Under constant temperature, graph between $\mathrm{P}$ and $1/\mathrm{V}$ is

1. Parabola                   

2. Hyperbola

3. Straight line             

4. Circle

Which one, of the following, graphs represents the behaviour of an ideal gas at constant temperature?

1.		2.
3.		4.

Volume-temperature graph at atmospheric pressure for a monoatomic gas $\left(\mathrm{V} \mathrm{in} {\mathrm{m}}^3, \mathrm{T} \mathrm{in} °\mathrm{C}\right)$ is

1.                      

2. 

3.                        

4. 

Graph of specific heat at constant volume for a monoatomic gas is

1.                          

2. 

3.                        

4.