An a particle with a kinetic energy of 2 1 eV makes a head

Last updated: 6/10/2023

An a particle with a kinetic energy of 2 1 eV makes a head on collision with a hydrogen atom moving towards it with a kinetic energy of 8 4 eV The collision A must be perfectly elastic C may be inelastic B may be perfectly inelastic D must be perfectly inelastic