Home
Class 12
PHYSICS
What is the de-Broglie wavelength of nit...

What is the de-Broglie wavelength of nitrogen molecule in air at 300K ? Assume that the molecule is moving with the root mean square speed of molecules at this temperature. (Atomic mass of nitrogen `=14.0076U`) Plank's constant=`6.63xx10^(-34)Js` , Boltzmann constant `=1.38xx10^(-23)JK^(-1)`

Text Solution

Verified by Experts

0.028nm
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NCERT TAMIL|Exercise EXERCISES|41 Videos
  • CURRENT ELECTRICITY

    NCERT TAMIL|Exercise ADDITIONAL EXERCISES|9 Videos
  • ELECTRIC CHARGES AND FIELDS

    NCERT TAMIL|Exercise EXERCISES|34 Videos
NCERT TAMIL-DUAL NATURE OF RADIATION AND MATTER-EXERCISES
  1. A. For what kinetic energy of neutron will the associated de Broglie w...

    Text Solution

    |

  2. Show that the wavelength of electromagnetic radiation is equal to the ...

    Text Solution

    |

  3. What is the de-Broglie wavelength of nitrogen molecule in air at 300K ...

    Text Solution

    |

  4. (a) Estimate the speed with which electrons emitted from a heated cath...

    Text Solution

    |

  5. (a) A monoenergetic electron beam with electron speed of 5.20xx10^(6)m...

    Text Solution

    |

  6. An electron gun with its collector at a potential of 100 V fires ...

    Text Solution

    |

  7. (a) An X-ray tube produces a continuous spectrum of radiation with its...

    Text Solution

    |

  8. In an accelerator experiment on high energy collision of electrons wit...

    Text Solution

    |

  9. Estimate the following the following two numbers should be interesting...

    Text Solution

    |

  10. Ultraviolet light of wavelength 2271Å from a 100W mercury source irrad...

    Text Solution

    |

  11. Monochromatic radiation of wave length 640.2 nm (1nm=10^(-9)m) from a ...

    Text Solution

    |

  12. A mercury lamp is a convenient source for studying frequency dependenc...

    Text Solution

    |

  13. The work function for the following metals is given Na: 2.75 eV, K:2.3...

    Text Solution

    |

  14. Light of intensity 10^(-5)Wm^(-2) falls on a sodium photocell of surfa...

    Text Solution

    |

  15. Crystal diffraction experiments can be performed using X-rays, or elec...

    Text Solution

    |

  16. (a) Obtain the de-Broglie wavelength of a neutron of kinetic energy 15...

    Text Solution

    |

  17. An electron microscope uses electrons accelerated by a voltage of 50 k...

    Text Solution

    |

  18. The wavelength of a probe is roughly a measure of the size of structu...

    Text Solution

    |

  19. Find the typical de-Broglie wavelength associated with a H-atom in he...

    Text Solution

    |

  20. Compute the typical de-Broglie wavelength of an electrons in a metal a...

    Text Solution

    |