Home
Class 11
PHYSICS
The ratio of the vapour densities of two...

The ratio of the vapour densities of two gases at a given temperature is `9:8`. The ratio of the `r_(rms)` velocity of their molecules is

A

`3:2sqrt(2)`

B

`2sqrt(2):3`

C

`9:8`

D

`8:9`

Text Solution

Verified by Experts

The correct Answer is:
B
`2sqrt(2):3`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    SURA PUBLICATION|Exercise MATCH THE FOLLOWING :|3 Videos

  • KINETIC THEORY OF GASES

    SURA PUBLICATION|Exercise FILL IN THE BLANKS :|10 Videos

  • KINETIC THEORY OF GASES

    SURA PUBLICATION|Exercise NUMERICAL PROBLEMS|16 Videos

  • KINEMATICS

    SURA PUBLICATION|Exercise Creative Question (HOTS)|12 Videos

  • MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|2 Videos

Similar Questions

Explore conceptually related problems

What is the ratio of nuclear densities of two nucleus having mass numbers in the ratio 1 : 2 ?

If the absolute temperature of a gas is increased 3 times the rms velocity of the molecules will be ............. .

Two spheres have mass and volume in the ratio 2:1. The ratio of their density is

Two gases are enclosed in a container at constant temperature. One of the gases , which is monoatomic. The ratio of the rms speed of the molecules of the monoatomic gas to that of the molecules of the diatomic gas is .................... .

Which of the following gases has maximum rms speed at a given temperature?

A container contains hydrogen gas at pressure P and temperature T. Another identical container contains helium gas at pressure 2P and temperature T//2 . The ratio of the number of molecules of the two gases is

If the density of oxygen is 16 times that of hydrogen , what will be the ratio of the velocities of sound in them ?

SURA PUBLICATION-KINETIC THEORY OF GASES -ADDITIONAL QUESTIONS (MULTIPLE CHOICE QUESTIONS) :
  1. Kinetic theory explains the behavior

    Text Solution

    |

  2. Kinetic theory

    Text Solution

    |

  3. The average distance a molecule can travel without colliding is called

    Text Solution

    |

  4. In dynamic equilibrium, molecules of gas collide and change their spee...

    Text Solution

    |

  5. The perfect gas equation can be written as

    Text Solution

    |

  6. According to Dalton's law of partial pressures:

    Text Solution

    |

  7. If there are n no. of molecules per unit volume and m is the mass of e...

    Text Solution

    |

  8. The average K.E of a molecule.

    Text Solution

    |

  9. In ideal gas is expanding such that PT^(2) = constant. The coefficient...

    Text Solution

    |

  10. When the distance between the two atoms becomes gamma(0), then the int...

    Text Solution

    |

  11. Moving with uniform speed. The temperature of the gas molecules inside...

    Text Solution

    |

  12. During an adiabatic process, the pressure of a gas is found to be prop...

    Text Solution

    |

  13. The gas having average speed four times as that of SO(2) (molecular ma...

    Text Solution

    |

  14. The ratio of the vapour densities of two gases at a given temperature ...

    Text Solution

    |

  15. In an adiabatic change, the pressure and temperature of a monoatomic g...

    Text Solution

    |

  16. Gas exerts pressure on the walls of the container

    Text Solution

    |

  17. The slope at any point on the curve in PV graph for a gas is g(n) invo...

    Text Solution

    |

  18. The temperature is changed from 27^(@)C to 327^(@)C. Find ratio of K.E...

    Text Solution

    |

  19. At which of the following temperature would be molecules of gas have t...

    Text Solution

    |