Chemistry, 16.01.2020 22:31, anniekwilbourne

What is the threshold frequency for sodium metal if a photon with frequency 6.66 x 10^14 sâ1 ejects an electron with 7.74 x 10^â20 j kinetic energy? will the photoelectric effect be observed if sodium is exposed to orange light?

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What is the threshold frequency for sodium metal if a photon with frequency 6.66 x 10^14 sâ1 ejects...