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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

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

Grade:12

1 Answers

suvidhi mehta
292 Points
4 years ago
for that we need to work function values of each option.

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