Question a singly ionized helium atom is in the ground, Ask an Expert

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Question: A singly ionized helium atom is in the ground state. It absorbs energy and makes a transition to the n = 3 excited state. The ion returns to the ground state by emitting two photons.

Part A- What is their wavelengths?

______m (lower energy photon)

______m (higher energy photon)

Please show how you obtained the answer. Thank you.

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