Problem: It takes 261 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect? A) 233 B) 165 C) 552 D) 458 E) 725

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Problem Details

It takes 261 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect?

A) 233

B) 165

C) 552

D) 458

E) 725

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Based on our data, we think this problem is relevant for Professor Gilbert's class at NIU.