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The Work Function of a Certain Material Is 4

Question 64

Multiple Choice

The work function of a certain material is 4.9 eV.What is the photoelectric minimum (threshold) frequency for this material?

A) 1.18 * 10¹⁵ Hz
B) 2.23 * 10¹⁵ Hz
C) 9.01 * 10¹⁴ Hz
D) 3.48 * 10¹⁵ Hz
E) 2.56 * 10¹⁵ Hz

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