Hard X-rays for the study of fractures in bones should have a minimum wavelength of 10^−11m. The accelerating voltage for electrons in X-ray machine should be Hard X-rays for the study of fractures in bones should have a minimum wavelength of 10^−11m. The accelerating voltage for electrons in X-ray machine should be November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 30 - Atoms , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related