P Q2. Two metals, Zinc and Cadmium have a photoelectric work function given by Wzn= 4.33 eV and Wcd-4.22 ev; respectively. If both are illuminated with light of d wavelength 275 nm, calculate: i a) The maximum velocity of photoelectrons from each surface. b) The retarding potential necessary to stop emission of the electrons from each surface. c) The minimum frequericy of light that can be used to cause photoelectric emission for both metals. d)/lf both metals are illuminated by ultraviolet radiation of the same frequency, which one gives off photoelectrons with greater maximum kinetic energy?.

P Q2. Two metals, Zinc and Cadmium have a photoelectric work function given by Wzn= 4.33 eV and Wcd-4.22 ev; respectively. If both are illuminated with light of d wavelength 275 nm, calculate: i a) The maximum velocity of photoelectrons from each surface. b) The retarding potential necessary to stop emission of the electrons from each surface. c) The minimum frequericy of light that can be used to cause photoelectric emission for both metals. d)/lf both metals are illuminated by ultraviolet radiation of the same frequency, which one gives off photoelectrons with greater maximum kinetic energy?.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

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P Q2. Two metals, Zinc and
Cadmium have a photoelectric
work function given by Wzn= 4.33
eV and Wcd-4.22 ev; respectively.
If both are illuminated with light of
d wavelength 275 nm, calculate:
i a) The maximum velocity of
photoelectrons from each surface.
b) The retarding potential necessary
to stop emission of the electrons
from each surface. c) The minimum
frequericy of light that can be used
to cause photoelectric emission for
both metals. d)/lf both metals are
illuminated by ultraviolet radiation
of the same frequency, which
one gives off photoelectrons with
greater maximum kinetic energy?.

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