Hydrogen ion and singly ionized helium atom are accelerated , from rest , through the same potential difference . The ratio of final speeds of hydrogen and helium ions is close to : from rest Hydrogen ion and singly ionized helium atom are accelerated through the same potential difference . The ratio of final speeds of hydrogen and helium ions is close to : September 18, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related