An electron travels with a velocity of x ms^−1. For a proton to have the same de-Broglie wavelength, the velocity will be approximately: An electron travels with a velocity of x ms^−1. For a proton to have the same de-Broglie wavelength the velocity will be approximately: November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry , Facebook Messenger WhatsApp Share this:TwitterFacebook Related