Light of wavelength 400 nm falls on a metal surface having a work function 1.70 eV
What is the maximum kinetic energy of the photoelectrons emitted from the metal? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s = 4.141 × 10-15 ev ? s, 1 eV = 1.60 × 10-19 J)
A) 1.41 eV B) 1.70 eV C) 3.11 eV D) 2.82 eV E) 4.52 eV
A
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