Question: In order that photoelectric emission to be possible over whole of the visible spectrum of 370 nm – 770 nm, the work function of the photoemission surface should be approximately :
Answer:
MCQ: In order that photoelectric emission to be possible over whole of the visible spectrum of 370 nm – 770 nm, the work function of the photoemission surface should be approximately :
Correct Answer:
A. 1.61 to 3.35 eV
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