Home
Class 11
PHYSICS
Two ballons are filled, one with pure He...

Two ballons are filled, one with pure He gas and other by air, repectively. If the pressure and temperature of these ballons are same then the number of molecules per unit volume is:

A

more in the He filled balloon

B

same in both balloons

C

more in air filled balloon

D

in the rato `1 : 4`

Text Solution

Verified by Experts

The correct Answer is:
B
`PV = NkT`
`(N)/(V) = (P)/(kT)`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    CP SINGH|Exercise Exercises|79 Videos

  • HEAT TRANSFER

    CP SINGH|Exercise Exercises|94 Videos

  • LAWS OF THERMODYNAMICS

    CP SINGH|Exercise EXERCISE|131 Videos

Similar Questions

Explore conceptually related problems

Two ballons are filled one with pure he gas and the other by six repectively If the pressure and temperature of these bellows are same then the number of molecales per unit volum is

Two balloons are filled one with pure He gas and the other with air respectively. If the pressure and temperature of these balloons are same, then the number of molecules per unit volume is

If pressure and temperature of an ideal gas are doubled and volume is halved, the number of molecules of the gas

The number of molecules per unit volume (n) of a gas is given by

CP SINGH-KINETIC THEORY OF GASES-Exercises
  1. Air is filled in a bottle and it is corked at 35^(@)C. If the cork can...

    Text Solution

    |

  2. Consider the quantity (MkT)/(pV) of an ideal gas where M is the mass o...

    Text Solution

    |

  3. Two ballons are filled, one with pure He gas and other by air, repecti...

    Text Solution

    |

  4. Two different masses m and 3 m of an ideal gas are heated separately i...

    Text Solution

    |

  5. The pressure exterted on the walls of the container by a gas is due to...

    Text Solution

    |

  6. At constant volume, temperature is increased. Then

    Text Solution

    |

  7. When an ideal gas undergoes an isothermal expansion, the pressure of t...

    Text Solution

    |

  8. According to the kinetic theory of gases (i) P prop v(rms) (ii) v(...

    Text Solution

    |

  9. The pressure of an ideal gas is written as p=(2E)/(3V).Here E refers t...

    Text Solution

    |

  10. Pressure exerted by a perfect gas equal to

    Text Solution

    |

  11. At a given temperature, the pressure of an ideal gas of density rho is...

    Text Solution

    |

  12. According to the kinetic theory of gases, at absolute temperature

    Text Solution

    |

  13. Gas at a pressure P(0) in contained as a vessel. If the masses of all ...

    Text Solution

    |

  14. Three containes of the same volume contain three different gases. The ...

    Text Solution

    |

  15. Four molecules have speeds 2 m//s, 3 km//s, 4 km//s and 5 km//s. The r...

    Text Solution

    |

  16. Speed of sound in a gas is v and rms velocity of the gas molecules is ...

    Text Solution

    |

  17. The mean square speed of the molecules of a gas at absolute temperatur...

    Text Solution

    |

  18. At room temperature, the rms speed of the molecules of a certain diato...

    Text Solution

    |

  19. Which of the following gases has maximum rms speed at a given temperat...

    Text Solution

    |

  20. The temperature at which the rms speed of air molecules is double of t...

    Text Solution

    |