The 4p 3s transition in sodium produces a double spectral line at 330.237 nm and 330.298

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The 4p → 3s transition in sodium produces a double spectral line at 330.237 nm and 330.298 nm. What’s the energy splitting of the 4p level?

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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