JEE Main & Advanced
Physics
Photo Electric Effect, X- Rays & Matter Waves
Question Bank
Numerical Value Type Questions - Atomic Structure and Matter Waves
question_answer
A \[H{{e}^{+}}\]ion in ground state in fired towards a hydrogen atom in ground state and at rest. What should be the minimum kinetic energy (in eV) of \[H{{e}^{+}}\]ion so that both single electron species may get excited.