The photoelectric work function for a surface fis 24 eV. Light of wavelength 6800 A shines on the given surface. Find the incident ánd threshold frequencies. Will there be photoelectric emission or not ? Given : CE3 × 10 m/siand 1 eV=1.6 x10-19J hE 6.6x10-0Is.

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A: Given data The kinetic energy is given as KE = 4 eV. The energy of the electron is given as E = 4…