The Kα X-ray emission line of tungsten occurs at λ=0.021 nm. The energy difference between K and L levels in this atoms is about The Kα X-ray emission line of tungsten occurs at λ=0.021 nm. The energy difference between K and L levels in this atoms is about June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 13 - X Rays , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related