Question: What is the cutoff ( threshold ) frequency for a metal surface that has a work function of 5 . 4 2 eV ? Group

What is the cutoff (threshold) frequency for a metal surface that has a work function of 5.42 eV?
Group of answer choices
2.01 x 10^15 Hz
6.04 x 10^15 Hz
1.31 x 10^15 Hz
3.01 x 10^15 Hz

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