Explain what wavelength of photon is required to liberate

Reference no: EM13292072

If the binding energy of an electron in a hydrogen atom is 6.41?10^-19 J, what wavelength of photon is required to liberate it from the atom? Planck's constant = 6.626 ? 10^-34 J×s; c = 3.00?10^8 m/s

a.1.53 mm

b. 641 nm

c. 311 nm

d. 2.18 mm

Reference no: EM13292072

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