The change in volume V with respect to an increase in pressure P has been shown in the figure for a non-ideal gas at four different temperatures T1, T2,T3 and T4 . The critical temperature of the gas is

1. T1                                 

2. T2

3. T3                                 

4. T4

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In the adjoining figure, various isothermals are shown for a real gas. Then

1. EF represents liquification

2. CB represents liquification

3. HI represents the critical temperature

4. AB represents gas at a high temperature

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

 

1. V2 > V1                             

2. V2 < V1

3. V2 = V1                             

4. None of the above

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PV versus T graph of equal masses of H2He and O2 is shown in fig. Choose the correct alternative

    

1. C corresponds to H2, B to He and A to O2

2. A corresponds to He, B to H2 and C to O2

3. A corresponds to He, B to O2 and C to H2

4. A corresponds to O2, B to H2 and C to H2

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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

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Two different isotherms representing the relationship between pressure P and volume V at a given temperature of the same ideal gas are shown for masses m1 and m2 of the gas respectively in the figure given, then

  

1. m1 > m2                             

2. m1 = m2

3. m1 < m2                             

4. None of these

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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

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Under constant temperature, graph between P and 1/V is

1. Parabola                   

2. Hyperbola

3. Straight line             

4. Circle

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Which one the following graphs represents the behaviour of an ideal gas

1.                            

2. 

 

3.                            

4. 

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The curve between absolute temperature and v2rms is

1.                            

2. 

 

3.                            

4. 

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