Question: When light of frequency equal to 2.11 1015 s-1 shines on the surface of gold metal, the kinetic energy of ejected electrons is found

When light of frequency equal to 2.11 × 1015 s-1 shines on the surface of gold metal, the kinetic energy of ejected electrons is found to be 5.83 × 10-19 J. What is the work function of gold?

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