Homework Answers
Eo for hydrogen = 13.6 eV
Given:
KE = 5.0 eV
Photon should have enough energy to provide ionisation energy and Kinetic energy.
Use:
E = Eo + KE
= 13.6 eV + 5.0 eV
= 18.6 eV
Answer: 18.6 eV
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