A proton is fired from very far away towards a nucleus with charge Q = 120e, where e is the electronic charge. It makes a closest approach of 10 fm to the nucleus. The de-Broglie wavelength A proton is fired from very far away towards a nucleus with charge Q = 120e where e is the electronic charge. It makes a closest approach of 10 fm to the nucleus. The de-Broglie wavelength October 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related