General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 7 - Quantam Theory of the Atom - Questions and Problems - Page 294: 7.28

Answer

Please see the work below.

Work Step by Step

We know that ultraviolet radiation is higher in energy than red light. As an atom which moves from ground state cannot emit more energy than it can absorb. The absorbed photon should have higher energy than the emitted photon which makes it red light.
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