Home
Class 12
PHYSICS
Determine the de Broglie wavelength of a...

Determine the de Broglie wavelength of an electron moving with velocity `10^(6) m.s^(-1)`. What will be the de Broglie wavelength of a proton, moving with the same velocity? Given, Planck's constant `= 6.62xx10^(-34) J.s`, mass of electron `= 9.1xx10^(-31) kg`, mass of proton is 1840 times that of an electron.

Text Solution

Verified by Experts

`7.27 Å, 3.95 xx 10^(-3) Å`
Promotional Banner

Topper's Solved these Questions

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Problem Set- II)|15 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Hots Numerical Problems)|4 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Short Answer Type Questions- II)|4 Videos

  • OPTICAL INSTRUMENTS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|8 Videos

  • QUESTION PAPER OF NEET 2017

    CHHAYA PUBLICATION|Exercise QUESTION PAPERS OF (NEET) (2017)|39 Videos

Similar Questions

Explore conceptually related problems

Calculate the wavelength of an electron moving with a velocity of 2.05xx10^(7)m*s^(-1) .

The de Broglie wavelength of a moving electron is 1 Å . What is its velocity?

Calculate the de Broglie wavelength associated with an electron moving with velocity of 1.0xx10^(7)m//s . (mass of an electron: 9.1xx10^(-31)kg )

What is the de Broglie wavelength of an alpha -particle moving with a velocity of 1.635xx10^(3) m.s ^(-1) ? Given, mass of a alpha -particle = 6.65xx10^(-27) kg .

if the velocity of the electron in Bohr's first orbit is 2.19xx10^(6)m*s^(-1) , calculate the de Broglie wavelength associated with it.

Calculate the de Broglie wavelength of a proton which is moving with a kinetic energy of 5xx10^(-23) J.

Calculate the wavelength of the de Broglie wave associated with an electron moving with a velocity of 2.05xx10^(7)m*s^(-1) .

Find de Broglie wavelength associated with a tennis ball of mass 60g moving with a velocity of 10 m*s^(-1) .

Calculate the wave length of wave associated -with an electron moving with the velocity 1.55 xx 10^6 ms^(-1) [h = 6.63 xx 10^(-34) J.S , m_e = 9.109 xx 10^(-31) kg] .

The de Broglie wavelength of an electron moving with a velocity c/2 (c =velocity of light in vacuum) is equal to the wavelength of a photon. The ratio of the kinetic energies of electron and photon is

CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Problem Set- I)
  1. The photoelectric work function of a metal is 1.2 eV. What will be the...

    Text Solution

    |

  2. The photoelectric work function of a metal is 3800 Å. If an ultraviole...

    Text Solution

    |

  3. Find out the photoelectric threshold wavelength of copper. Given work ...

    Text Solution

    |

  4. Find the photoelectric threshold frequency of a metal is 6525 Å. What ...

    Text Solution

    |

  5. A monochromatic source, emitting light of wavelength, 600 nm, has a po...

    Text Solution

    |

  6. The threshold frequency of a metal is f(0). When the light of frequenc...

    Text Solution

    |

  7. By how much would the stopping potential for given photosensitive surf...

    Text Solution

    |

  8. Calculate the threshold frequency of photon for photoelectric emission...

    Text Solution

    |

  9. Calculate the kinetic energy of photoelectrons in eV emitted on shinin...

    Text Solution

    |

  10. Calculate the maximum kinetic energy of electrons emitted from a phot...

    Text Solution

    |

  11. The de Broglie wavelength associated with a moving particle changes fr...

    Text Solution

    |

  12. Determine the de Broglie wavelength of an electron moving with velocit...

    Text Solution

    |

  13. For a moving electron, the de Broglie wavelength is 1 Å. What will be ...

    Text Solution

    |

  14. If an electron is send through a potential difference of 60V, what wil...

    Text Solution

    |

  15. The de Broglie wavelength of a moving electron is 1 Å. What is its vel...

    Text Solution

    |

  16. A neutron of mass 1.66xx10^(-27) kg has a kinetic energy of 0.04eV. Wh...

    Text Solution

    |

  17. What is the de Broglie wavelength of an alpha-particle moving with a v...

    Text Solution

    |

  18. What will be the de Broglie wavelength of an electron of kinetic energ...

    Text Solution

    |

  19. The wavelength associated with a photon and the de Broglie wavelength ...

    Text Solution

    |

  20. Calculate de Broglie wavelength of an electron beam accelerated throug...

    Text Solution

    |