Home
Class 12
PHYSICS
The wavelength of K(alpha) X-rays of two...

The wavelength of `K_(alpha)` X-rays of two metals `A and B` are` 4 // 1875 R and 1// 675 R`, respectively , where `R` is rydberg 's constant. The number of electron lying between `A and B` according to this lineis

A

3

B

6

C

5

D

4

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

Difference in wavelength of two extreme lines of H-atom in Balmer region is (where R_(H) is Rydberg constant ):

The densitis of two solid spheres A and B of the same radii R very with radial distance r as p_A(r ) = k ((r )/(R )) and p_B(r ) = k((r )/(R )^5, respectively, where k is a constant . The moments of inertia of the inividual spheres about axes passing throgh their centres are I_A and I_B respectively. if (I_B)/(I_A) = (n)/(10), the value of n is

Two identical satellites A and B are circulating round the earth at the height of R and 2 R respectively, (where R is radius of the earth). The ratio of kinetic energy of A to that of B is

The wavelength of K_(alpha) X-rays produced by an X-ray tube is 1.785 Å. Find the atomic number of the anode material of the tube (R=109737 cm^(-1))

When an electron jumps from the orbit n=2 to n=4, then wavelength of the radiations absorbed will be where, (where R is Rydberg's constant)

Find the wavelength of H_(alpha) line given the value of Rydberg constant, R=1.1xx10^7m^-1 .

If voltage applied to X -ray tube increased from V=10kV to 20kV . The wave length interval between K_(alpha)- line and short wave cut off continuous X -ray increases by factor of 3 (Rhc)/e=13.6V where R is Rydberg constant h is plank's constant c is speed of light in vacuum and e is charge on electron

The wavelength (in Å) of an emission line obtained for Li^(2+) during an electronic transition n_(2) = 2 and n = 1 is (R = Rydberg constant)

PHYSICS GALAXY - ASHISH ARORA-X-RAYS-Numerical MCQs Single Options Correct
  1. In a discharge tube when 200 volt potential difference is applied 6.25...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. An X-ray tube is operating at 150 kV and 10 mA. If only 1% of the ele...

    Text Solution

    |

  18. The potential difference applying to an X- ray tube is 5kV and the cu...

    Text Solution

    |

  19. A metal block is exposed to beams of X-rays of different wavelength. X...

    Text Solution

    |

  20. The energy ratio of two k(alpha) photons obtined in x -ray from two me...

    Text Solution

    |