9. (a) The diagram shows the lowest four energy levels of a hydrogen atom.Energy / eV-0.85-1.5-3.4-13.6Excited hydrogen atoms can emit light of wavelength 6.56 x 10-7 m.i. Calculate the frequency of this light and hence the energy, in Joules, of a photonof this wavelength.ii. An electron made a transition between which levels for this photon to be emitted?(b) Calculate the wavelength of the photon emitted with the greatest energy.(c) Explain the difference in meaning between an ionised atom and an excited atom.(2)(3)(4)(3)

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Answered: (a) The diagram shows the lowest four…

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