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A metal surface is susceptible to a photoelectric threshold frequency of 8.529*10>14Hz. Will the monochromatic UV...

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Physics

A metal surface is susceptible to a photoelectric thresholdfrequency of 8.529*10>14Hz. Will the monochromatic UV lightsources of wavelengths 283 nm, 342 nm, and 363 nm be able to ejectphotoelectrons from the metal. If so what is the speed of thefastest electron ejected?

Answer & Explanation Solved by verified expert
3.8 Ratings (679 Votes)
for the monochromatic lights to be able to eject electrons they must have the minimum threshold energy ie Ethreshold hf 6626e34 8529e14 Ethreshold 5651e20 J E283 hclambda 6626e34 3e8 283e9    See Answer
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