Suppose a photon with a wavelength of 7155 angstroms, Physics

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Suppose a photon with a wavelength of 7155 angstroms

Suppose a photon with a wavelength of 7155 angstroms strikes ahydrogen anion, which has an electron binding energy of .75419eV.Is this sufficient to cause ejection of the electron? If so, what will be the kinetic energy and the deBroglie wavelength of the photo electron?

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Physics: Suppose a photon with a wavelength of 7155 angstroms

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