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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > 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 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 wavelength 4 lemda.