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19 March, 21:49

A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 1820 nm. What is the final state of the hydrogen atom?

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  1. 19 March, 22:00
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    energy provided=13.4 eV

    energy released=0.7 eV

    energy absorbed = 12.7eV

    initial energy = - 13.6eV [ground state]

    final energy = - 13.6+12.7 = - 0.9 eV

    This energy corresponds to n=4 in hydrogen atom
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