The Electromagnetic wave travelling in a medium has relative permeability 1.3 and relative permittivity 2.14. The speed of EM wave in that medium will be. The Electromagnetic wave travelling in a medium has relative permeability 1.3 and relative permittivity 2.14. The speed of EM wave in that medium will be. September 4, 2021 Category: Chapter 8 - Electromagnetic Waves , MTG NEET Physics , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related