Question
Question: A proton having kinetic energy 5 eV is incident on a hydrogen atom in its ground state. The collisio...
A proton having kinetic energy 5 eV is incident on a hydrogen atom in its ground state. The collision
A
Must be elastic
B
Must be completely inelastic
C
May be partially elastic
D
Information is insufficient
Answer
Must be elastic
Explanation
Solution
As energy is loss then 10.2 eV
So, the collision is elastic