Home
Class 12
PHYSICS
Highly energetic electron are bombarded ...

Highly energetic electron are bombarded in a target of an element containing `30` neutrons Tne ratio of nucleus to that of Helium nucleus is `(14)^(1//3)` . Find (a) atomic number of the nucleus (b) the frequency of `k_(a)` line of the X- rays producted `(R = 1.1 xx 10^(7) m^(-1) and c = 3 xx 10^(8)m//s)`

Text Solution

Verified by Experts

The correct Answer is:
`v = 1.546 xx 10^(18) Hz`
Promotional Banner

Topper's Solved these Questions

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4(LEVEL-I)|32 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-4 ( LEVEL- II)
  1. A photon of 10.2 eV. Energy collides with a hydrogen atom in ground st...

    Text Solution

    |

  2. The potential energy of a particle of mass m is given by U(x){{:(E(0),...

    Text Solution

    |

  3. Highly energetic electron are bombarded in a target of an element cont...

    Text Solution

    |

  4. The graph between 1 //lambda and stopping potential ( V ) of three met...

    Text Solution

    |

  5. In hydrogen - like atom (z = 1) n^(th) line of Lyman series has wavele...

    Text Solution

    |

  6. STATEMENT - 1 If the accelerating potential in an X - rays tube is i...

    Text Solution

    |

  7. Electrons with de-Broglie wavelength lambda fall on the target in an X...

    Text Solution

    |

  8. The largest wavelength in the ultraviolet region of the hydrgoen spect...

    Text Solution

    |

  9. Which one of the following statement is WRONG in the context of X- ray...

    Text Solution

    |

  10. In a mixture of H- He^(+) gas (He+ is singly ionized He atom), H atom ...

    Text Solution

    |

  11. In a mixture of H- He^(+) gas (He+ is singly ionized He atom), H atom ...

    Text Solution

    |

  12. In a mixture of H-He^(+) gas (He^(+) is singly ionized He atom), H ato...

    Text Solution

    |

  13. When a particle is restricted to move aong xaxis between x =0 and x = ...

    Text Solution

    |

  14. When a particle is restricted to move aong xaxis between x =0 and x = ...

    Text Solution

    |

  15. When a particle is restricted to move aong xaxis between x =0 and x = ...

    Text Solution

    |

  16. Photoelectric effect experiments are performed using three different m...

    Text Solution

    |

  17. An alpha- particle and a proton are accelerated from rest by a potenti...

    Text Solution

    |

  18. The key feature of Bohr's spectrum of hydrogen atom is the quantizatio...

    Text Solution

    |

  19. The key feature of Bohr's spectrum of hydrogen atom is the quantizatio...

    Text Solution

    |

  20. The key feature of Bohr's spectrum of hydrogen atom is the quantizatio...

    Text Solution

    |