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The work functions of Caesium (Cs), Potassium (K) and Sodium (Na) are 2.14 eV, 2.30 eV and 2.75 eV respectively. If incident electromagnetic radiation
The work functions of Caesium (Cs), Potassium (K) and Sodium (Na) are 2.14 eV, 2.30 eV and 2.75 eV respectively. If incident electromagnetic radiation has an incident energy of 2.20 eV, which of these photosensitive surfaces may emit photoelectrons? (1) Cs only (2) Both Na and K (3) K only (4) Na only
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Physics Olympiad - Basic To Advanced Exercises
Authors: The Committee Of Japan Physics Olympiad Japan
1st Edition
981455667X, 9789814556675
