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A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength 50 nm.

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A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength 50 nm. Assuming that the entire photon energy is taken up by the electron, with what kinetic energy will the electron be ejected ?

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λ = 50 nm

Work function = Energy required to remove the electron from n1 = 1 to n2 = ∞

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