The maximum kinetic energy of photoelectrons is 2.8 eV. When the wavelength of the light is increased
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The maximum kinetic energy of photoelectrons is 2.8 eV. When the wavelength of the light is increased by 50%, the maximum energy decreases to 1.1 eV. What are
(a) The work function of the cathode
(b) The initial wavelength of the light?
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Related Book For 
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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