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The photoelectric effect can be used in engineering designs for practical applications. For example, infrared goggles used in night-vision applications have materials that give an electrical signal with exposure to the relatively long wavelength of IR light. If the energy needed for signal generation is 2.0 x 10-20 J, what is the minimum wavelength? What is the frequency of light that can be detected?

The photoelectric effect can be used in engineering designs for practical applications. For example, infrared goggles used in night-vision applications have materials that give an electrical signal with exposure to the relatively long wavelength of IR light. If the energy needed for signal generation is 2.0 x 10-20 J, what is the minimum wavelength? What is the frequency of light that can be detected?

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter6: The Structure Of Atoms
Section: Chapter Questions
Problem 8PS: The most prominent line in the emission spectrum of magnesium is 285.2 nm. Other lines are found at...
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The photoelectric effect can be used in engineering designs for practical applications. For example, infrared goggles used in night-vision applications have materials that give an electrical signal with exposure to the relatively long wavelength of IR light. If the energy needed for signal generation is 2.0 x 10-20 J, what is the minimum wavelength? What is the frequency of light that can be detected? c = 2.998 x 108 m/s h = 6.626 x 10-34 J s m 1
Transcribed Image Text:The photoelectric effect can be used in engineering designs for practical applications. For example, infrared goggles used in night-vision applications have materials that give an electrical signal with exposure to the relatively long wavelength of IR light. If the energy needed for signal generation is 2.0 x 10-20 J, what is the minimum wavelength? What is the frequency of light that can be detected? c = 2.998 x 108 m/s h = 6.626 x 10-34 J s m 1
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