Element A has atomic number 11. Its Kα wavelength is four times the Kα wavelength of another element B. Assuming the same K-series screening constant and Moseley's law, find the atomic number of B.

Physics · Atomic Structure and X-rays · x-rays and its types

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Element A has atomic number 11. Its Kα wavelength is four times the Kα wavelength of another element B. Assuming the same K-series screening constant and Moseley's law, find the atomic number of B.