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1. In the photoelectric effect, it is observed that light with a frequency above a certain threshold value causes the ejection of electrons from the surfaces of metals. If the intensity of this light is decreased, a. the work function of the ejected electrons decreases. b. the speed of the ejected electrons decreases. c. the mass of the ejected electrons decreases. d. the number of ejected electrons decreases.

1. In the photoelectric effect, it is observed that light with a frequency above a certain threshold value causes the ejection of electrons from the surfaces of metals. If the intensity of this light is decreased, a. the work function of the ejected electrons decreases. b. the speed of the ejected electrons decreases. c. the mass of the ejected electrons decreases. d. the number of ejected electrons decreases.

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter5: Electron Configurations And The Periodic Table
Section: Chapter Questions
Problem 23QRT
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1. In the photoelectric effect, it is observed that light with a frequency above a certain threshold value causes the ejection of electrons from the surfaces of metals. If the intensity of this light is decreased, a. the work function of the ejected electrons decreases. b. the speed of the ejected electrons decreases. c. the mass of the ejected electrons decreases. d. the number of ejected electrons decreases.
Transcribed Image Text:1. In the photoelectric effect, it is observed that light with a frequency above a certain threshold value causes the ejection of electrons from the surfaces of metals. If the intensity of this light is decreased, a. the work function of the ejected electrons decreases. b. the speed of the ejected electrons decreases. c. the mass of the ejected electrons decreases. d. the number of ejected electrons decreases.
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