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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 ?

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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 of a tungsten atom. What shoulb be the minimum accelerating voltage across an X-ray tube having trungsten target which allows production of K_alpha X-ray?

The wavelength of K_(alpha) X-ray for an element is 21.3 pm. It takes 12.5 ke V to knock out an electron out an electron from the L-shell of the atom of the element. What should be the minimum accelerating voltage across on X-ray tube having the element as target which allows production of K_(alpha) X-ray?

Knowledge Check

  • The wave length of Kbeta X-ray of certain metal is 12.42 pm . It takes 10Kev to remove the electron from M shell of an atom of that metal the minimum accelerating voltage that should be applied across the X-ray tube , so that a K_(a) X-ray would be produced is ( hc=1242eVnm )

    A
    `10KV`
    B
    `100KV`
    C
    `110KV`
    D
    `90KV`

  • The wavelength K_(alpha) X-rays produced by an X-ray tube is 0.76 A The atomic number of anticathode materials is

    A
    82
    B
    41
    C
    20
    D
    10

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