The minimum kinetic energy required for ionization of a hydrogen atom is E1 in case electron is collided with hydrogen atom. It is E2 if the hydrogen ion is collided and E3 when The minimum kinetic energy required for ionization of a hydrogen atom is E1 in case electron is collided with hydrogen atom. It is E2 if the hydrogen ion is collided and E3 when October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related