A soft x-ray photon with an energy of (41.8 mathrm{eV}) is absorbed by a hydrogen atom in
Question:
A "soft x-ray" photon with an energy of \(41.8 \mathrm{eV}\) is absorbed by a hydrogen atom in its ground state, knocking the atom's electron out. What is the speed of the electron as it leaves the atom?
A. \(1.84 \times 10^{5} \mathrm{~m} / \mathrm{s}\)
B. \(3.08 \times 10^{5} \mathrm{~m} / \mathrm{s}\)
C. \(8.16 \times 10^{5} \mathrm{~m} / \mathrm{s}\)
D. \(3.15 \times 10^{6} \mathrm{~m} / \mathrm{s}\)
E. \(3.83 \times 10^{6} \mathrm{~m} / \mathrm{s}\)
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Related Book For
College Physics A Strategic Approach
ISBN: 9780321907240
3rd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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