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Question 32

From Physics HL Paper 1A (May 2025, TZ2)

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  1. Some transitions between the energy states of an atom are shown.
Energy level diagram showing transitions E1, E2, E3, and E4 between energy states n=1, n=2, n=3, and n=4.
Energy level diagram showing transitions E1, E2, E3, and E4 between energy states n=1, n=2, n=3, and n=4.

Which transition will emit a photon with the longest wavelength?

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