Multiple Choice
19) Silver has a Fermi level (energy) of 5.5 eV. At 0 K, at what speed would the electrons be moving if they had kinetic energy equal to the Fermi energy? (This speed is known as the Fermi speed.) (mel = 9.11 × 10-31 kg, 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ∙ s)
A) 1400 km/s
B) 1.0 km/s
C) 2.2 km/s
D) 1100 km/s
E) 3.5 km/s
Correct Answer:
Verified
Correct Answer:
Verified
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