Jayashree Asked a Question
July 23, 2021 7:54 pmpts 2 pts
12. Ultraviolet light of energy 3.5 eV and intensity 100 W/m2 is directed at a potassium surface (Work function of potassium is 2.2 eV). Find the maximum kinetic energy of the photo electrons. 12. (A) 1.0eV (B) 1.20 eV (C) 1.30 eV (D) 1.23 eV 28 4 for
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  • Mamata mandal thankyou
    c option is correct
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