The wavelengths of Kα and Lα X-rays of a material are 21.3 pm and 141 pm respectively. Find the wavelength of Kβ X-ray of the material
Given:
wavelength of 
rays =21.3 pm
wavelength of 
rays =141 pm
Energy of 
rays E1 is given by
Energy of 
rays E2 is given by
Energy of 
rays E3 is given by
wavelength of 
is given by
1