Question

When 15.1eV photon is incident on H atom electron in ground state?​

Answer 1

true

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Answer 2

The atom will ionize and will have a kinetic energy of 1.5eV.

Explanation: When a 15.1 eV photon is incident on an H-atom, the atom will get ionized, and the electron will have 1.5 eV kinetic energy.

The Hydrogen electron has 13.6 eV energy in the ground state. Therefore, the difference 15.1eV−13.6eV=1.5eV relates to the kinetic energy.