Question: The work function of molybdenum is 4.22 eV. (a) What is the threshold frequency for the photoelectric effect in molybdenum? (b) Will yellow light of

The work function of molybdenum is 4.22 eV. 

(a) What is the threshold frequency for the photoelectric effect in molybdenum? 

(b) Will yellow light of wavelength 560 nm cause ejection of photoelectrons from molybdenum? Prove your answer.

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