The Bandgap of Si Is 107 $\times$ 10^-34 J $\times$ 10⁸ M/s)
A) 551

question 55

Multiple Choice

The bandgap of Si is 107.1 kJ/mol.What is the maximum wavelength of light that can excite an electron transition across the band gap? (h = 6.626 $\times$ 10^-34 J.s; c = 3.000 $\times$ 10⁸ m/s)

• A) 551.4 nm
• B) 1118 nm
• C) 549.0 nm
• D) 1852 nm
• E) 516.9 nm

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