The wavelength of `K_(alpha)` line for an element of atomic number `43 is lambda`. Then the wavelength of `K_(alpha)` line for an element of atomic number `29` is

The wavelength of the K_(alpha) line for an element of atomic number 57 is lambda . What is the wavelength of the K_(alpha) line for the element of atomic number29 ?

The wavelength of the K_(alpha) line for an element of atomic number 57 is lambda . What is the wavelength of the K_(alpha) line for the element of atomic number29 ?

The ratio of wavelength of K_alpha line of an element with atomic number 61 to wavelength of K_alpha line of an element with atomic number 21 is