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What Is the Cutoff Frequency for a Metal Surface That

Question 79

Multiple Choice

What is the cutoff frequency for a metal surface that has a work function of 5.42 eV?

A) 1.31 × 10¹⁵ Hz
B) 2.01 × 10¹⁵ Hz
C) 3.01 × 10¹⁵ Hz
D) 5.02 × 10¹⁵ Hz
E) 6.04 × 10¹⁵ Hz

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