Home
Class 12
PHYSICS
An electron , in a hydrogen-like atom, i...

An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 eV. Calculate
(a) the kinetic energy and
(b) the de Broglie wavelength of the electron.

Promotional Banner

Topper's Solved these Questions

  • ATOMS, NUCLEI AND MOLECULES

    SL ARORA|Exercise Problems For Self Practice|87 Videos

  • ATOMS, NUCLEI AND MOLECULES

    SL ARORA|Exercise Problems For Self Practice|87 Videos

  • AC CIRCUITS AND ELECTRIC CIRCUITS

    SL ARORA|Exercise problem|57 Videos

  • CAPACITORS

    SL ARORA|Exercise problem for self practive|65 Videos

Similar Questions

Explore conceptually related problems

As electron in a hydrogen - like atom , is in an excited state it has a total energy of - 3.45 eV Calculate (i) the kinetyic energy and (ii) the de Brogle wavelength of the electron.

An electron in hydrogen like atom is in excited state 2t has a total energy of -3.4eV. Calculate (a) the kinetic energy (b) the de-Broglie wavelength of the electron. [Given h=6.63xx10^(-34)Js ]

An electron in a hydrogen like atom is in an excited state3 . It has a total energy of -3 4 eV. Calculate : (a) The kinetic energy of electron . (b) The de-Broglie wavelength of electron . ( h = 6.6 xx 10^(023) , m_e = 9 .108 xx 10^(-31) kg)

An electron in a hydrogen like atom is in an excited state. I thas a total energyof-3.4eV.Calculate: (i) The kinetic energy, (ii) The de-Broglie wavelength of the electron.

An electron of a hydrogen like atom is in excited, state. If total energy of the electron is -4.6 eV, then evaluate (i) the kinetic energy and (ii) the de-Brogli wavelength of the electron .

An electron, in a hydrogen like atom , is in excited state. It has a total energy of -3.4 eV, find the de-Broglie wavelength of the electron.

An electron is in excited state in a hydrogen-like atom. It has a total energy of -3.4eV .The kinetic energy of the electron is E and its de Broglie wavelength is lambda

SL ARORA-ATOMS, NUCLEI AND MOLECULES-Problem
  1. Suppose the potential energy between an electron and aproton at a dist...

    Text Solution

    |

  2. A single electron orbits a stationary nucleus of charge + Ze, where Z ...

    Text Solution

    |

  3. An electron , in a hydrogen-like atom, is in excited state. It has a t...

    Text Solution

    |

  4. How many revolutions does an electron in the first orbit of hydrogen a...

    Text Solution

    |

  5. An electron moves about a proton in a circular orbit of radius 5 xx 10...

    Text Solution

    |

  6. Using Bohr's formula for energy quantisation, determine (i) the larges...

    Text Solution

    |

  7. Suppose a moving hydrogen atmo makes a head on inelastic collision wit...

    Text Solution

    |

  8. Hydrogen atom in its ground state is excited by means of monochromatic...

    Text Solution

    |

  9. A double ionised lithium atom is hydrogen like with atomic number 3 ...

    Text Solution

    |

  10. A gas of hydrogen - like ion is perpendicular in such a way that ions ...

    Text Solution

    |

  11. A hydrogen like atom (atomic number Z) is in a higher excited state o...

    Text Solution

    |

  12. The wavelength of the first line of Lyman series for hydrogen is ident...

    Text Solution

    |

  13. Two hydrogen-like atoms A and B are of different masses and each atom ...

    Text Solution

    |

  14. The stopping potential for the photo-electrons emitted from a metal su...

    Text Solution

    |

  15. Light form a dicharge tube containing hydrogen atoms falls on the surf...

    Text Solution

    |

  16. An electron in the ground state of hydrogen atom is revolving in antic...

    Text Solution

    |

  17. A sample contains 10^(-2)kg each of two substances A and B with half l...

    Text Solution

    |

  18. The disintegration rate of a certain radioactive sample at any instant...

    Text Solution

    |

  19. At a given instant there are 25% undecayed radioactive nuclei in a sam...

    Text Solution

    |

  20. The isotope of U^(238) and U^(235) occur in nature in the ratio 140:1....

    Text Solution

    |