An electron of stationary hydrogen atom jumps from 4th energy level to ground level. The velocity that the photon acquired as a result of electron transition will be (where, h= Planck's constant, R=Rydberg's constant m = mass of photon)

An electron of a stationary hydrogen atom passes from the fifth energy level to the ground level. The velocity that the atom acquired as a result of photon emission will be :

An electron of stationary hydrogen atom passes from the fifth energy level to the ground level.The velocity that the atom acquired a result of photon emission will be: "m" is the mass of the atom,"R" is Rydberg constant and "h" is Planck's constant)

An electrons of a stationary hydrogen aton passes form the fifth enegry level to the ground level. The velocity that the atom acquired as a result of photon emission will be (m is the mass of the electron, R , Rydberg constanrt and h , Planck's constant)

An electrons of a stationary hydrogen aton passes form the fifth enegry level to the ground level. The velocity that the atom acquired as a result of photon emission will be (m is the mass of the electron, R , Rydberg constanrt and h , Planck's constant)

An electron in a hydrogen atom jumps from n = 5 energy level to n = 1 energy level. What are the maximum number of photons that can be emitted ?

What is the recoil velocity of Hydrogen atom when a photon is emitted due to corresponding transition from n = 5 to n = 1 . ( R_H = Rydberg's constant, m_H , = mass of hydrogen)