Determine the de-Broglie wavelength of a proton, whose kinetic energy is equal to the rest of the mass energy of an electron. Given that the mass of an electron is 9.1 * 10^-31 kg Determine the de-Broglie wavelength of a proton whose kinetic energy is equal to the rest of the mass energy of an electron. Given that the mass of an electron is 9.1 * 10^-31 kg September 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related