bratliff6647 bratliff6647
  • 24-05-2023
  • Physics
contestada

an energy of 13.6 ev is needed to ionize an electron from the ground state of a hydrogen atom. what wavelength is needed if a photon accomplishes this task?'
a. 60nm
b. 80nm
c.70nm
d. 90nm
e. 40nm

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