AP EAPCET 20-Aug-2021 Shift 2 Paper

Section: Chemistry

Question : 122 of 160

Marks: +1, -0

If the work function for the photoelectron emission of a metal is 3.75‌eV , then the threshold wave length of the radiation needed for the ejection of the electron is approximately ______

315‌nm
280‌nm
330‌nm
290‌nm

Validate

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