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

What is the de-Broglie wavelength of a neutron at absolute temperature T K ?

Text Solution

Verified by Experts

`lambda=h/(sqrt(2m_nE_k))=h/sqrt(2m_n3/2k_BT)=h/sqrt(3m_nk_BT),K_B to` Boltzmann.s Constant
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION & ATOMS AND NUCLEI

    CBSE COMPLEMENTARY MATERIAL|Exercise VERY SHORT ANSWER QUESTIONS (1 mark)|10 Videos

  • DUAL NATURE OF MATTER AND RADIATION & ATOMS AND NUCLEI

    CBSE COMPLEMENTARY MATERIAL|Exercise VERY SHORT ANSWER QUESTIONS (2 mark)|39 Videos

  • CBSE EXAMINATION PAPER, DELHI REGION - 2015 (CODE NO. 55/1/1/D)

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION E|6 Videos

  • ELECTROMAGNETIC WAVES AND OPTICS

    CBSE COMPLEMENTARY MATERIAL|Exercise 1 mark question|11 Videos

Similar Questions

Explore conceptually related problems

The de-Broglie wavelength lamda

de-Broglie wavelength lambda is

de-Broglie wavelength applies only to

What is de-Broglie wavelength of an atom of mass m, moving at absolute temperature TK.

Questions on de-Broglie Wavelength

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

The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is

The de Broglie wavelength associated with a neutron at room temperature is 1.5 Å. The de Broglie wavelength of same at 327^@ C will be

The de-Broglie wavelength is proportional to

CBSE COMPLEMENTARY MATERIAL-DUAL NATURE OF MATTER AND RADIATION & ATOMS AND NUCLEI-Long Answer Question
  1. What is the de-Broglie wavelength of a neutron at absolute temperature...

    Text Solution

    |

  2. Why wave theory of light could not explain the photoelectric effect ? ...

    Text Solution

    |

  3. Why wave theory of light could not explain the photoelectric effect ? ...

    Text Solution

    |

  4. Why wave theory of light could not explain the photoelectric effect ? ...

    Text Solution

    |

  5. A proton is accelerated through a potential difference V. Find the per...

    Text Solution

    |

  6. For what kinetic energy of a neutron will the associated de-Broglie w...

    Text Solution

    |

  7. A nucleus of mass M initially at rest splits into two fragments of mas...

    Text Solution

    |

  8. An electron and proton are possessing the same amount of kinetic energ...

    Text Solution

    |

  9. The electron in a given Bohr orbit has a total energy of -1.51 eV. c...

    Text Solution

    |

  10. Calculate the radius of the third Bohr orbit of hydrogen atom and the ...

    Text Solution

    |

  11. Calculate the longest and shortest wavelength in the Balmer series of ...

    Text Solution

    |

  12. What will be the distance of closest approach of a 5 MeV alpha-particl...

    Text Solution

    |

  13. A 12.5 MeV alpha- particle approaching a gold nucleus is deflected 180...

    Text Solution

    |

  14. Determine the speed of the electron in n=3 orbit of hydrogen atom .

    Text Solution

    |

  15. A sample of a radioactive substance has 10^(6) radioactive nuclei. Its...

    Text Solution

    |

  16. The half life of a radioactive substance is 5 hours. In how much time ...

    Text Solution

    |

  17. At a given instant, there are 25% undecayed radioactive nuclei in a sa...

    Text Solution

    |

  18. Binding energy of ""2He^4 and ""3Li^7 nuclei are 27.37 MeV and 39.4 Me...

    Text Solution

    |

  19. Find the binding energy and binding energy per nucleon of nucleus ""(...

    Text Solution

    |

  20. Is the fission of iron (""(26)Fe^(56)) into (""(13)Al^(28)) as given ...

    Text Solution

    |

  21. Find the maximum energy that beta- particle may have in the following...

    Text Solution

    |