Question
electromagnetic radiation of an unknown wavelength knocks electrons out of a Copper cathode of work function 4.70 eV. the stopping potential is 3.62 V. what
electromagnetic radiation of an unknown wavelength knocks electrons out of a Copper cathode of work function 4.70 eV. the stopping potential is 3.62 V. what is the wavelength of this electromagnetic radiation?
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Elements Of Electromagnetics
Authors: Matthew N.O. Sadiku
5th Edition
0195387759, 9780195387759
