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Grade 12Modern Physics

The threshold frequency of a photosensitive surface is 5×10^14 Hz . Then which will produce photoelectric effect from same surface?options-sodium vapour lamp, ruby laser,He-Ne laser ,b and c

Profile image of Vini
8 Years agoGrade 12
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1 Answer

Profile image of suvidhi mehta
8 Years ago
for that we need to work function values of each option.

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