College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 27 - Multiple-Choice Questions - Page 1040: 2


The correct answer is: (e) 6

Work Step by Step

When an electron drops down from a higher energy level to a lower energy level, it emits a photon with a specific wavelength. The photons emitted by hydrogen atoms would show up as emission lines at specific wavelengths. The following emission lines are possible when the electron is at n=4: from n = 4 to n = 3 from n = 4 to n = 2 from n = 4 to n = 1 from n = 3 to n = 2 from n = 3 to n = 1 from n = 2 to n = 1 The correct answer is: (e) 6
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