Suppose a moving hydrogen atom makes a head on inelastic collision with a stationary hydrogen atom.
Channel: Doubtnut
Date: 2020-08-02

Suppose a moving hydrogen atom makes a head on inelastic collision with a stationary hydrogen atom. Before collision, both atoms are ground state and after collision, they move together. What  is the minimum velocity of the moving hydrogen atom if one of the atoms is to be given the minimum excitation energy after the collisions? Take `m_H=1.0078 am u. 1.66xx10^(-27)kg.`