Electronic Devices Question 104

Question: The energy gap of silicon is 1.14 eV. The maximum wavelength at which silicon will begin absorbing energy is

[MP PMT 1993]

Options:

A) 10888 Å

B) 1088.8 Å

C) 108.88 Å

D) 10.888 Å

Show Answer

Answer:

Correct Answer: A

Solution:

λmax=hcE=6.6×1034×3×1081.14×1.6×1019=10888\AA



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