When a U 238 nucleus originally at rest, decays by emitting an alpha particle having a speed ‘u’, the recoiled speed of the residual nucleus is- decays by emitting an alpha particle having a speed 'u' the recoiled speed of the residual nucleus is- When a U 238 nucleus originally at rest December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related