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Solve the all parts of given question:

Question: An electron is confined to a one-dimensional region in which its ground-state (n = 1) energy is measured to be 2.25 eV.

Part A: What is the length L of the region?

Part B: What energy input is required to promote the electron to its first excited state?

Please show steps to determine what energy input is required to promote the electron to its first excited state.

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Category:- Physics
Reference No.:- M91248408

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