When a metal surface, in a photoelectric effect apparatus, is illuminated with monochromatic light at a wavelength 1 = 304.5 nm the stopping potential is found to be Von =1.87 V. 5. stop a. What is the work function, W , of the metal surface? b. If this photocathode is illuminated by light with a wavelength 1 = 475.0 nm , what is the maximum kinetic energy of the ejected photo-electrons, Kmax ? What is the critical wavelength, 1 , for this metal surface? Light with any wavelength longer C.
When a metal surface, in a photoelectric effect apparatus, is illuminated with monochromatic light at a wavelength 1 = 304.5 nm the stopping potential is found to be Von =1.87 V. 5. stop a. What is the work function, W , of the metal surface? b. If this photocathode is illuminated by light with a wavelength 1 = 475.0 nm , what is the maximum kinetic energy of the ejected photo-electrons, Kmax ? What is the critical wavelength, 1 , for this metal surface? Light with any wavelength longer C.
Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter27: Quantum Theory
Section: Chapter Questions
Problem 67A
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