Multiple Choice
A photocathode that has a work function of 2.4 eV is illuminated with monochromatic light having photon energy 3.5 eV.What is the wavelength of this light? (c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s,1 eV = 1.60 × 10-19 J)
A) 350 nm
B) 330 nm
C) 300 nm
D) 380 nm
E) 410 nm
Correct Answer:
Verified
Correct Answer:
Verified
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