Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Question
Chapter 38, Problem 25A
To determine
The reason for
Expert Solution & Answer
Explanation of Solution
Introduction:
The ejection of the electron from the metal surface by the incidence of light is called photoelectric effect.
The energy necessary for the ejection of electrons is equal to the work function of the metal. The wok function of the metal is the minimum energy to eject the electron from the surface. The work function of all metal is different and depends on the atomic structure of the metal.
The energy of the photon of ultraviolet light is more than the energy of visible light photons. The energy of the ultraviolet light is very high and greater than the work functions of the most metals.
Conclusion:
The ultra violet light ejects electron but the visible light does not, because the energy of the photon of the ultraviolet light is very high and greater than the work functions of the most metals.
Chapter 38 Solutions
Conceptual Physics: The High School Physics Program
Ch. 38 - What is a model? Give two examples for the nature...Ch. 38 - Prob. 2ACh. 38 - Prob. 3ACh. 38 - Prob. 4ACh. 38 - Prob. 5ACh. 38 - Prob. 6ACh. 38 - Prob. 7ACh. 38 - Prob. 8ACh. 38 - Prob. 9ACh. 38 - What causes light to behave like a particle?
Ch. 38 - Prob. 11ACh. 38 - Prob. 12ACh. 38 - Prob. 13ACh. 38 - Prob. 14ACh. 38 - Prob. 15ACh. 38 - Prob. 16ACh. 38 - Prob. 17ACh. 38 - Prob. 18ACh. 38 - Why are the heaviest elements not appreciably...Ch. 38 - Prob. 20ACh. 38 - Prob. 21ACh. 38 - What information is necessary to make predictions...Ch. 38 - Prob. 23ACh. 38 - Prob. 24ACh. 38 - Prob. 25ACh. 38 - Prob. 26ACh. 38 - Prob. 27ACh. 38 - Prob. 28ACh. 38 - Prob. 29ACh. 38 - Prob. 30ACh. 38 - Prob. 31ACh. 38 - Prob. 32ACh. 38 - Prob. 33ACh. 38 - Prob. 34ACh. 38 - Prob. 35ACh. 38 - Prob. 36ACh. 38 - Prob. 37ACh. 38 - Prob. 38ACh. 38 - Prob. 39ACh. 38 - Prob. 40ACh. 38 - Why will helium leak through an inflated rubber...
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