A stationery thorium nucleus (A=200, Z=90) emits an alpha particle with kinetic energy Eα. What is the kinetic energy of the recoiling nucleus A stationery thorium nucleus (A=200 Z=90) emits an alpha particle with kinetic energy Eα. What is the kinetic energy of the recoiling nucleus June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 30 - Nuclear Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related