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The work function ϕ of some metal is listed below. The number of metals which will show photoelectric effect when light of 300nm wavelength fall on the metal is
ChemistryStructure of AtomJEE Main
Solution:
1714 Upvotes Verified Answer
The correct answer is: 4
energy of light =1240300=4.13eV , so the metal having work function lower than 4.13eV will emit photoelectron, so the following 4 metals will show photoelectric effect

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