Home
Class 12
PHYSICS
The wavelength of K(alpha) X-ray of tung...

The wavelength of `K_(alpha)` X-ray of tungsten is 21.3 pm. It takes 11.3 keV to knock out an electron from the L shell ofa tungsten atom. What should be the minimum accelerating voltage across an X-ray tube having tungsten target which allows production of `k_(alpha)` X-ray ?

Text Solution

Verified by Experts

The correct Answer is:
69.5 Kev
Promotional Banner

Topper's Solved these Questions

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-3 ( LEVEL -II)|10 Videos

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4(LEVEL-I)|32 Videos

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-2(LEVEL-II)|15 Videos

  • MODERN PHYSICS - 2

    MOTION|Exercise EXERCISE - 4 (Level -II) PREVIOUS YEAR - JEE ADVANCED|28 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 3 Section-B|12 Videos
MOTION-MODERN PHYSICS -1-EXERCISE-3( LEVEL-I)
  1. What voltage must be applied to an electron microscope to produce elec...

    Text Solution

    |

  2. An electron and a photon have the same de Broglie wavelength. Which on...

    Text Solution

    |

  3. An electron microscope uses electrons accelerated by a voltage of 50kV...

    Text Solution

    |

  4. An electron of mass m and charge e initially at rest gets accelerated ...

    Text Solution

    |

  5. Assume that a particle cannot be confined to a sphereical volume of di...

    Text Solution

    |

  6. A hydrogen atom in a state of binding energy 0.85 eV makes a transitio...

    Text Solution

    |

  7. A hydrogen atom is in 5^("in") excited state. When the electron jumps ...

    Text Solution

    |

  8. Find the ratio of series limit wavelength of Balmer series to waveleng...

    Text Solution

    |

  9. Imagine an atom made of a proton and a hypothetical particle of double...

    Text Solution

    |

  10. In a hydrogen atom , the electron moves in an orbit of radius 0.5 A ...

    Text Solution

    |

  11. Explain why nearly all H atoms are in the ground state at room tempera...

    Text Solution

    |

  12. Consider a hydrogen-like atom whose energy in nth excited state is giv...

    Text Solution

    |

  13. A gas of identical hydrogen-like atoms has some atoms in the lowest in...

    Text Solution

    |

  14. A photon collides with a stationary hydrogen atom in ground state inel...

    Text Solution

    |

  15. An H atom in ground state is moving with initial kinetic energy K .It ...

    Text Solution

    |

  16. Obtain a relation between the frequencies of K(oo) K(beta) and L(alpha...

    Text Solution

    |

  17. Figure shows K(alpha)& K(beta) X-rays along with continuous X-ray. Fin...

    Text Solution

    |

  18. Photoelectrons are emitted when 400 nm radiation is incident on a surf...

    Text Solution

    |

  19. A 20 KeV energy electron is brought to rest in an X-ray tube, by under...

    Text Solution

    |

  20. The wavelength of K(alpha) X-ray of tungsten is 21.3 pm. It takes 11.3...

    Text Solution

    |