The wavelength of the \( \mathrm{K}_{\alpha} \) line for an element of atomic number 57 is \( \l... VIDEO
The wavelength of the \( \mathrm{K}_{\alpha} \) line for an element of atomic number 57 is \( \lambda \). What is the wavelength of \( \mathrm{k}_{\alpha} \) line for the element of atomic number 29 ?
(a) \( \lambda \)
(b) \( 2 \lambda \)
(c) \( 4 \lambda \)
(d) \( \lambda / 4 \)
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