An element of atomic number 9 emits K alpha X-ray of wavelength lemda. Find the atomic number of the element which emits K alpha X-ray of wavelength 4 lemda.

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An element of atomic number 9 emits K alpha X-ray of wavelength lemda. Find the atomic number of the element which emits K alpha X-ray of wavelength 4 lemda.
14
Oct
An element of atomic number 9 emits K alpha X-ray of wavelength lemda. Find the atomic number of the element which emits K alpha X-ray of wavelength 4 lemda. An element of atomic number 9 emits K alpha X-ray of wavelength lemda. Find the atomic number of the element which emits K alpha X-ray of [...]
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