An electron jumps from n = 3 to n = 2 in a hydrogen atom in a

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An electron jumps from n = 3 to n = 2 in a hydrogen atom in a distant galaxy, emitting light. If we detect that light at a wavelength of 3.00 mm, by how much has the wavelength, and thus the universe, expanded since the light was emitted?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Feb 07, 2011 06:16 AM

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An electron jumps from n = 3 to n = 2 in a hydrogen atom in a

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Using Eq 3933 the energy of the emitted photon ...View the full answer

Fundamentals of Physics

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