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Which of the following shows the correct relationship between the pressure ‘P’ and density ρ of an ideal gas at constant temperature ?

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)


Answers (1)


As we learnt in

Ideal gas equation -

PV = nRT


- wherein

T= Temprature

P= pressure of ideal gas

V= volume

n= numbers of mole

R = universal gas constant


 For an ideal gas

PM=\rho RT

Hence, graph between P & \rho at constant temperature is straight line passing through origin.

Correct option is 4.

Option 1)

This is an incorrect option.

Option 2)

This is an incorrect option.

Option 3)

This is an incorrect option.

Option 4)

This is the correct option.

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