The recoil speed of a hydrogen atom after it emits a photon in going from n = 5 state to n = 1 state will be :- The recoil speed of a hydrogen atom after it emits a photon in going from n = 5 state to n = 1 state will be :- September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related