The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong? The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong? August 20, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related