A sample of CdS has to be heated to 30411 K to thermally excite electrons from the valence band to the conduction band. What is the value of Eg based on these experiments?
A) 3.2×10-19 J
B) 6.3×10-19 J
C) 4.2×10-19 J
D) 8.7×10-19 J
Correct Answer:
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Q25: Exhibit 22-2
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