Ch27 Worksheet

Ch27 Worksheet - Physics 2206 Chapter 27: Early Quantum...

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Physics 2206 – Chapter 27: Early Quantum Physics and the Photon Chapter 27 – Early Quantum Physics and the Photon 27.1-2 Quantization. Blackbody Radiation and Planck’s Constant Quantization of energy 1
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Physics 2206 – Chapter 27: Early Quantum Physics and the Photon 27.3 Photons and the Photoelectric Effect 2
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Check Your Understanding: The number of electrons per second ejected from a metal in the photoelectric effect is proportional to: a) the intensity of the incident light. b) the frequency of the incident light. c) the wavelength of the incident light. d) the threshold frequency of the metal. Please Read: Example 27.1 (Energies of visible and X-ray photons) & Example 27.3 (A photoelectric effect experiment) Practice Problem: A magnesium surface has a work function of 3.68 eV. Electromagnetic waves with a wavelength of 215 nm strike the surface and eject electrons. Find the maximum kinetic energy of the ejected electrons. Express your answer in electron volts. 3
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This note was uploaded on 04/01/2008 for the course PHYS 2206 taught by Professor Damazilu during the Spring '08 term at Virginia Tech.

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Ch27 Worksheet - Physics 2206 Chapter 27: Early Quantum...

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