An element of atomic number 9 emits `K_(alpha)` X-ray of wavelength `lamda`. Find the atomic number of the element which emits `K_(alpha)` X-ray of wavelength `4lamda`.

Which element has K_(alpha) x-ray line whose wavelength is 0.180 nm?

K_alpha wavelength emitted by an atom of atomic number Z=11 is lambda . Find the atomic number for an atom that emits K_alpha radiation with wavelength 4lambda .

K_alpha wavelength emitted by an atom of atomic number Z=11 is lambda . Find the atomic number for an atom that emits K_alpha radiation with wavelength 4lambda . (a) Z=6 (b) Z=4 (c ) Z=11 (d) Z=44.

K_alpha wavelength emitted by an atom of atomic number Z=11 is lambda . Find the atomic number for an atom that emits K_alpha radiation with wavelength 4lambda . (a) Z=6 (b) Z=4 (c ) Z=11 (d) Z=44.

If the wavelength of K_(alpha) radiation emitted an atom of atomic number Z = 41 is lambda , then the atomic number for an atom that emits K_(alpha) radiation with the wavelength 4lambda , is