What is the threshold frequency for sodium metal if a photon with frequency 6.66 with 7.74 1014 s1 ejects an electron 1020 J kinetic energy?
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What is the threshold frequency for sodium metal if a photon with frequency 6.66 with 7.74 × 1014 s−1 ejects an

electron × 10−20 J kinetic energy? Will the photoelectric effect be observed if sodium is exposed to orange light?

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Threshold frequency = 5.49 x... View the full answer

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