Home
Class 12
CHEMISTRY
The kinetic energy of an electron is 4.5...

The kinetic energy of an electron is `4.55xx10^(-28) kJ`. Calculate the de Broglie's wavelength.

Text Solution

Verified by Experts

`7.2xx10^(-7)m`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    AAKASH SERIES|Exercise EXERCISE - 1.1.7|13 Videos
  • APPENDICES -REVISION EXERCISE

    AAKASH SERIES|Exercise POLYMERS|44 Videos
  • BIOMOLECULES

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE-4 (ASSERTION (A) & REASON (R) TYPE QUESTIONS :)|84 Videos

Similar Questions

Explore conceptually related problems

Mass of electron = 9.1 xx 10^(-3) kg . The kinetic energy of an electron is 4.55 xx 10^(-25)J . What is its wavelength (in nm) ?

If the velocity of the electron is 1.6xx10^(6) "ms"^(-1) , calculate the de-Broglie wavelength associated with this electron .

If the kinetic energy of an electron is 4.55xx10^(-25)J , find its wavelength (Planck's constant, h=6.6xx10^(-34)kgm^(2)s^(-1),m=9.1xx10^(-31)kg) .

If the kinetic energy of an electron is 4.55 xx 10^(-25)J , find its wavelength (Planck's cosntant, h = 6.625 xx 10^(-34) kgm^(2)s^(-1), m = 9.1 xx 10^(-31)kg ).

(a) For what kinetic energy of a neutron will the associated de Broglie wavelength be 1.40 xx 10^(-10) m ? (b) Also find the de Broglie wavelength of a neutron, in thermal equilibrium with matter, having an average kinetic energy of (3/2) k T at 300 K.

Electrons are accelerated through a potential difference of 150V. Calculate the de Broglie wavelength.

The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy at which A neutron, and would have the same de Broglie wavelength.

A particle is moving three times as fast as an electron. The ratio of the de Broglie wavelength of the particle to that of the electron is 1.813 xx 10^(-4) . Calculate the particle’s mass and identify the particle.

The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy at which (a) an electron, and (b) a neutron, would have the same de Broglie wavelength.

AAKASH SERIES-ATOMIC STRUCTURE-QUESTIONS FOR DESCRIPTIVE ANSWERS
  1. What transition in the hydrogen emission spectrum have the same wavele...

    Text Solution

    |

  2. Calculate the wave length of an electron moving with a velocity of 2.0...

    Text Solution

    |

  3. The kinetic energy of an electron is 4.55xx10^(-28) kJ. Calculate the ...

    Text Solution

    |

  4. Calculate the product of uncertainties ofdisplacement and velocity of ...

    Text Solution

    |

  5. What isthe maximum number of emission lines observed when the excited ...

    Text Solution

    |

  6. How many waves will be made by a Bohr electron in one complete revolut...

    Text Solution

    |

  7. Electrons of energy 10.2 and 12.09 e Vatom"^(-1) can cause radiations ...

    Text Solution

    |

  8. Calculate thewavelength of carbondioxide molecule whose velocity is 44...

    Text Solution

    |

  9. The mass of an electron is 9.1xx10^(-31)kg . If its K.E . Is 3.0xx10^...

    Text Solution

    |

  10. If the circumference of first Bohr orbit is 3.3 xx 10^(-10) m and if t...

    Text Solution

    |

  11. How does the five degenerate d-orbitals split into two groups in the a...

    Text Solution

    |

  12. 3d(x^(2)-y^(2)) and 3d(xy) orbitals both have electron density in the...

    Text Solution

    |

  13. How is orbital energy diagram useful for predicting the relative energ...

    Text Solution

    |

  14. Comment on extra stability with parallel spin configuration of electro...

    Text Solution

    |

  15. Write the set of quantum numbers for all electrons of oxygen atom.

    Text Solution

    |

  16. Velocity of the electron in the 1st Bohr orbit

    Text Solution

    |

  17. Write the (n + l) value of one of the atomic electron present in the o...

    Text Solution

    |

  18. Divalent zinc is diamagnetic, while divalent copper is paramagnetic. D...

    Text Solution

    |

  19. Ferric iron is more stable than ferrous iron. Explain.

    Text Solution

    |

  20. How many unpaired electrons are present in Ca^(2+)? What is its magnet...

    Text Solution

    |