Electrons with de-Broglie wavelength λ fall on the target in an X−ray tube. The cut-off wavelength of the emitted X−rays is Electrons with de-Broglie wavelength λ fall on the target in an X−ray tube. The cut-off wavelength of the emitted X−rays is September 15, 2021 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 Solved Video Solutions , Facebook Messenger WhatsApp Share this:TwitterFacebook Related