Home
Class 12
PHYSICS
An X-raytube is working at potential of...

An X-raytube is working at potential of 20 KV. The potential difference is decreased to 10 KV. It is found that the difference of the wavelength of `K_(alpha)` X-ray and the most energetic continuous X-ray becomes 4 times the difference before the change ofvoltage.Find the atomic number of the target element.
Take b=1 and `(1)/(sqrt(3.4))=0.54`

A

28

B

55

C

56

D

none of these

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • X-RAYS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQ with one or More Options Correct|17 Videos

  • X-RAYS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerica Problem for Preparation|23 Videos

  • X-RAYS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQ s|27 Videos

  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO|135 Videos

Similar Questions

Explore conceptually related problems

A potential difference of 10^(3) V is applied across an X-ray tube. The ratio of the de-Broglie wavelength of X-rays produced is

A potential difference of 20kV is applied across an X-ray tube. Find the minimum wavelength of X-ray generated.

A potential difference of 30 kV is applied across an X-ray tube. Find the minimum wavelength of X-ray generated .

A potential difference of 30KV is applied across an X-ray tube. Find the minimum wavelength of X-ray generated.

To decrease the cut-off wavelength of continuous X-ray by 25% , the potential difference across the X-ray tube

The potential difference between the cathode and the target in a Collidge tube is 100 kV . The minimum wavelength of the X-rays emitted by the tube is

PHYSICS GALAXY - ASHISH ARORA-X-RAYS-Numerical MCQs Single Options Correct
  1. Electrons with energy 80 keV are incident on the tungsten target of an...

    Text Solution

    |

  2. The wavelength of the K(alpha) line for an element of atomic number 57...

    Text Solution

    |

  3. An X-raytube is working at potential of 20 KV. The potential differe...

    Text Solution

    |

  4. The K(alpha) X-ray emission line of lungsten accurs at lambda = 0.021 ...

    Text Solution

    |

  5. In a discharge tube when 200 volt potential difference is applied 6.25...

    Text Solution

    |

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

    Text Solution

    |

  7. An element of atomic number 9 emits K(alpha) X-ray of wavelength lamda...

    Text Solution

    |

  8. The minimum wavelength of X-rays produced in an X-ray tube is lambda w...

    Text Solution

    |

  9. The wavelength of k(alpha) X- rays produced by an X - rays tube is 0....

    Text Solution

    |

  10. The voltage applied to an X-ray tube is 18 kV. The maximum mass of pho...

    Text Solution

    |

  11. The battery connected across a coolidge tube operates at a power level...

    Text Solution

    |

  12. The wavelength of the characteristic X - ray k(alpha ) line emitted by...

    Text Solution

    |

  13. An X-raytube produces a continuous spectrum of radiation with its shor...

    Text Solution

    |

  14. The element which has a K(alpha) X-rays line of wavelength 1.8 Å is ...

    Text Solution

    |

  15. In a coolidge tube, the tungsten (Z=74) target is bombarded by electro...

    Text Solution

    |

  16. The potential different across the Coolidge tube is 20 kV and 10 m A c...

    Text Solution

    |

  17. When the accelerating voltage applied on the electrons, in an X-rays t...

    Text Solution

    |

  18. The wavelength of K(alpha) X-rays of two metals A and B are 4 // 1875 ...

    Text Solution

    |

  19. A cobalt (atomic no. =27 ) target is bombereded with electrons and th...

    Text Solution

    |

  20. An X-rays tube is operated at 66kV. Then , in the continous spectrum o...

    Text Solution

    |