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Question 32

From Physics HL Paper 1A (May 2025, TZ3)

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  1. The energy levels of an atom in which an electron transitions from E1E_1 to E4E_4 are shown. E1E_1 is the ground state.
Energy level diagram showing energy levels E1, E2, E3, E4, and E5, with an arrow indicating a transition from E1 to E4.
Energy level diagram showing energy levels E1, E2, E3, E4, and E5, with an arrow indicating a transition from E1 to E4.

How many different wavelengths can be emitted when electrons return to the ground state from E4E_4?

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