AP EAMCET · PHYSICS · Center of Mass Momentum and Collision
A moving Hydrogen atom makes a head on collision with a stationary Hydrogen atom. Before collision both atoms are in ground state and after collission they move together. The minimum kinetic energy of the moving Hydrogen atom, such that one of the atoms reaches the excitation state is
- A \(13.6 \mathrm{eV}\)
- B \(30.6 \mathrm{eV}\)
- C \(20.4 \mathrm{eV}\)
- D \(10.2 \mathrm{eV}\)
Answer & Solution
Correct Answer
(C) \(20.4 \mathrm{eV}\)
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