Multiple Choice
A photocathode has a work function of 2.4 eV.The photocathode is illuminated with monochromatic radiation whose photon energy is 3.5 eV.The wavelength of the illuminating radiation is closest to:
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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