Please note part (b) asks for the waveform after an energy measurement has taken place (this could be a typo) but does not indicate for which energy...

Please note part (b) asks for the waveform after an energy measurement has taken place (this could be a typo) but does not indicate for which energy measurement result E1 or E3. For part (a) the possible energy measurement results are En = n^2*h(bar)^2/2ma^2.

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