Home
Class 12
PHYSICS
What is the de Broglie wavelength of a n...

What is the de Broglie wavelength of a nitrogen molecule in air at 300 K? Assume that the molecule is moving with the root-meansquare speed of molecules at this temperature. (Atomic mass of nitrogen = 14.0076 u)

Text Solution

Verified by Experts

0.028nm
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NCERT GUJARATI|Exercise EXERCISES|41 Videos
  • CURRENT ELECTRICITY

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

    NCERT GUJARATI|Exercise EXERCISES|34 Videos

Similar Questions

Explore conceptually related problems

What is the de-Broglie wavelength of a nitrogen molecule in air at 300 K?Assume that the molecule is moving with the root-mean square speed of molecules at this this temperature.(Atomic mass of nitrogen-14.0076 u)

What is de-Broglie wavelength of a He-atom in a container at room temperature. ("use"U_(avg)=sqrt((8kT)/(pim)))

Calculate the de Broglie wavelength of a ball of mass 0.1 kg moving with a speed of 30 ms^(-1)

What is the de-Broglie wavelength associated with (a) Electron moving with velocity of 4.5xx10^(6) m//s and (b)30 g ball moving with speed of 15.0 m/s

A flask contains argon and chlorine in the ratio of 2:1 by mass. The temperature of the mixture is 27^(@)C . Obtain the ratio of (i) average kinetic energy per molecule, and (ii) root mean square speed v_("rms") of the molecules of the two gases. Atomic mass of argon =39.9 u, Molecular mass of chlorine = 70.9 u.

Three closed vessels A, B and C are at the same temperature T and contain gases which obey the Maxwellian distribution of velocities. Vessel A contains only O_(2), B only N_(2) and C a mixture of equal quantities of O_(2) and N_(2) . If the average speed of the O_(2) molecules in vessel A is V_(1) , that of the N_(2) molecules in vessel B is V_(2) , the average speed of the O_(2) molecules in vessel C is (where M is the mass of an oxygen molecules)

Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains neon (monatomic), the second contains chlorine (diatomic). and the third contains uranium hexafluoride (polyatomic). Do the vessels contain equal number of respective molecules ? Is the root mean square speed of molecules the same in the three cases? If not, in which case is v_("rms") the largest ?

What is the de Broglie wavelength associated with (a) an electron moving with a speed of 5.4xx10^(6) m//s , and (b) a ball of mass 150 g travelling at 30.0 m//s ?

What is the de-Broglie wavelength associated with (a) an electrin moving with a speed of 5.4xx10^(6)m//s and (b) a ball of mass 150 g travelling at 30.0 m/s?

NCERT GUJARATI-DUAL NATURE OF RADIATION AND MATTER-EXERCISES
  1. (a) For what kinetic energy of a neutron will the associated de Brogli...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  5. (a) A monoenergetic electron beam with electron speed of 5.20 xx 10^(6...

    Text Solution

    |

  6. An electron gun with its collector at a potential of 100 v fires out e...

    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 collisions of electrons wi...

    Text Solution

    |

  9. Estimating the following two numbers should be interesting. The first ...

    Text Solution

    |

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

    Text Solution

    |

  11. Monochromatic radiation of wavelength "640.2 nm "(1nm = 10^(-9) m) fro...

    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...

    Text Solution

    |

  14. Light of intensity 10^(-5) W m^(-2) falls on a sodium photo-cell of su...

    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 a struct...

    Text Solution

    |

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

    Text Solution

    |

  20. Compute the typical de Broglie wavelength of an electron in a metal at...

    Text Solution

    |