Home
Class 12
PHYSICS
At what temperature is the root mean squ...

At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the r.m.s. speed of a helium gas atom at `-20^(@) C` ? (Atomic mass of Ar = 39.9 u, of He = 4.0 u).

Promotional Banner

Topper's Solved these Questions

  • TRANSIENT CURRENT

    SL ARORA|Exercise Type A|22 Videos

  • TRANSIENT CURRENT

    SL ARORA|Exercise Type B|12 Videos

  • TRANSIENT CURRENT

    SL ARORA|Exercise Problems For Self Practice|17 Videos

  • THERMOELECTRICITY

    SL ARORA|Exercise Problems for Self Practice|13 Videos

  • UNIVERSE

    SL ARORA|Exercise PROBLEM_TYPE|6 Videos

Similar Questions

Explore conceptually related problems

At what temperature is the root mean square speed of oxygen molecules equal to the r.m.s. speed of carbon dioxide molecules at -23^(@)C ? Molecular weight of oxgen=32 and that of carbon dioxide=44.

Calculate the temperature at which the root mean square speed, average speed and most probable speed of oxygen gas are all equal to 1500 m s^(-1)

At what temperature will the particles in a sample of helium gas have an rms speed of 1.0 km//s ?

At 400K the root mean square (rms) speed of a gas x (mol. wt. =40) is equal to the most probable speed of gas y at 60K Find the molecular weight of gas y .

r.m.s speed of ideal gas at 127^(@)C is 200m//s the rms. Speed of same ideal gas at temperature 227^(@)C is

At 400 K , the root mean square (rms) speed of a gas X (molecular weight = 40) is equal to the most probable speed of gas Y at 60 K. The molecular weight of the gas Y is.

SL ARORA-TRANSIENT CURRENT-Example
  1. Four molecules of a gas have speeds 2, 4, 6 and 8 kms^(-1) respectivel...

    Text Solution

    |

  2. If three gas molecules have velocity 0.5, 1 and 2 km//s respectively, ...

    Text Solution

    |

  3. Calculate the r.m.s. velocity of air molecules at S.T.P. Given density...

    Text Solution

    |

  4. Calculate the rms velocity of oxygen molecules at S.T.P. The molecular...

    Text Solution

    |

  5. Calculate the temperature at which the rms speed of nitrogen molecules...

    Text Solution

    |

  6. The r.m.s speed of oxygen molecule (O(2)) at a certain temperature T i...

    Text Solution

    |

  7. Calculate the temperature at which r.m.s velocity of gas molecules is ...

    Text Solution

    |

  8. Calculate the temperature at which rms velocity of a gas is half its v...

    Text Solution

    |

  9. At what temperature is the root mean square speed of an atom in an arg...

    Text Solution

    |

  10. A vessel is filled with a gas at a pressure of 76 cm of mercury at a c...

    Text Solution

    |

  11. Estimate the average energy of a helium atom at (i) room temperature (...

    Text Solution

    |

  12. Calculate the kinetic energy of one mole of argon at 127^(@)C. Given,B...

    Text Solution

    |

  13. Calculate the kinetic energy of 1 gram of helium (M = 4) at 127^(@)C....

    Text Solution

    |

  14. The kinetic energy of a molecule of oxygen at 0^(@)C is 5.64 xx 10^(-2...

    Text Solution

    |

  15. Calculate the kinetic energy of one gram mole of gas at NTP. Density o...

    Text Solution

    |

  16. Calculate the KE per molecule and also rms velocity of a gas at 127^(@...

    Text Solution

    |

  17. (a) Calculate (i) root-mean-square speed and (ii) the mean energy of 1...

    Text Solution

    |

  18. At what temperature will the average velocity of oxygen molecules be s...

    Text Solution

    |

  19. Calculate the temperature at which the average K.E. of a molecule of a...

    Text Solution

    |

  20. A vessel A contains hydrogen and another vessel B whose volume is twic...

    Text Solution

    |