Cs is used in photocells and television cameras because it has a very low ionization energy, corresponding to photons with a wavelength of 6,600 Å (photoelectric material). What is the kinetic energy of an electron detached from Cs with a light of 5,000 Å? (1 J = 0.24 cal)

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter8: The Periodic Table: Structure And Trends
Section: Chapter Questions
Problem 8.105QE
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Cs is used in photocells and television cameras because it has a very low ionization energy, corresponding to photons with a wavelength of 6,600 Å (photoelectric material). What is the kinetic energy of an electron detached from Cs with a light of 5,000 Å? (1 J = 0.24 cal)

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