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(1) Why don't we observe the transition from n2 n for the hydrogen atom in the line spectrum? Be specific 4000 3600 000 2800 2000 1800 1000 00 300 30 400 000 350 Wervelength (2) An emission spectrum for a red laser pointer is shown above. Calculate the energy associated with the red laser pointer. (3) Draw an emission spectrum to represent light emitted by a blue laser