Home
Class 12
PHYSICS
At what temperature the r.m.s. velocity ...

At what temperature the r.m.s. velocity is eual to the escape velocity of the hydrogen gas from the surface of earth ?
(`V_(e)=11.2km//s,R=8.314J//"mole "K,M_(H)=2`)

A

1000 K

B

10,000 K

C

100 K

D

10,000 K

Text Solution

Verified by Experts

The correct Answer is:
B
`sqrt((3RT)/(M))=V_(e)=10000K`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Degrees of freedom and law of equipartition of energy & Application of specific hest capacities of gases)|87 Videos

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Thermodynamics)|56 Videos

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Mean Free Path)|8 Videos

  • INTERFERENCE AND DIFFRACTION

    NIKITA PUBLICATION|Exercise MULTPLE CHOICE QUESTIONS|333 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    NIKITA PUBLICATION|Exercise MCQs (Sensitivity and accuracy of M.C.G.)|1 Videos

Similar Questions

Explore conceptually related problems

At what temperature will the r.m.s. velocity of SO_(2) be the same as the O_(2) at 303 K ?

At what temperature is the r.m.s velocity of a hydrogen molecule equal to that of an oxygen molecule at 24^@C ?

At what temperature, will R.M.S . velocity of hydrogen be four times of its value at N. T .P.?

At a certain temperature, hydrogen molecules have r.m.s. velocity of 3km//s . What is the r.m.s. velocity of the oxygen molecules at the same temperature ?

At what temperature will the R.M.S. velocity for H_2 molecule-be same as that for O_2 molecule at 127° C?

Jupiter has a mass 320 times that of the earth and its readius is 11.2 times that of the earth. Determine the escape velocity from the surface of jupiter, given that the escape velocity from the surface of earth is 11.2 km s^(-1) .

" ,the Earth escape velocity is "11.2km/s" .What will be the escape velocity of that planet whose mass and radius are four times that of Earth? "

NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Presure exerted by the gas molecule and kinetic energy)
  1. Root mean square velocity of gas molecules is 300 m//sec. The r.m.s ve...

    Text Solution

    |

  2. if the density of airr at N.T.P. is 1.25kg//m^(3), then the r.m.s. vel...

    Text Solution

    |

  3. At what temperature the r.m.s. velocity is eual to the escape velocity...

    Text Solution

    |

  4. What will be the rms speed f argon at 40^(@)C? If the rms speed of oxy...

    Text Solution

    |

  5. If the R.M.S. velocity of oxygen molecules at NTP is 460 m/s, then the...

    Text Solution

    |

  6. Four molecules of ags have speeds 1,2,3 and 4 km//s.The volue of the r...

    Text Solution

    |

  7. If the density of the gas at NTP is 0.178 km//m^(3), then the R.M.S. v...

    Text Solution

    |

  8. If the velocities of three molecules are 2 m/s, 3 m/s, 4m/s respective...

    Text Solution

    |

  9. In the above problem the root mean square velocity is

    Text Solution

    |

  10. The mean square velocity of the five molecules of velocities are 2 m/s...

    Text Solution

    |

  11. If at same temperature and pressure, the densities for two diatomic ga...

    Text Solution

    |

  12. Root mean square velocity of a particle is v at pressure P. If pressur...

    Text Solution

    |

  13. The temperature at which rms velocities of nitrogen gas molecules will...

    Text Solution

    |

  14. Equal volumes of hydrogen and oxygen gasses of atomic weights 1 and 16...

    Text Solution

    |

  15. If the density of hydrogen gas at N.T.P. is 8.93xx10^(-5)gm//cm^(3) th...

    Text Solution

    |

  16. What will be the r.m.s. speed of a gas at 800^(@)K ?

    Text Solution

    |

  17. Two vessels have equal volums. One of them contains hydrogen at one at...

    Text Solution

    |

  18. The root mean square velocity of the molecules in a sample of helium i...

    Text Solution

    |

  19. The temperature at which the r.m.s. velocity of oxygen molecules equal...

    Text Solution

    |

  20. When the temperature of a gas in a metal is incrased from 27^(@)C to 8...

    Text Solution

    |