GaAs has band gap energy of 1.93 eV at 300 K. Determine wavelength abo – McqOptions

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1.	GaAs has band gap energy of 1.93 eV at 300 K. Determine wavelength above which material will cease to operate.
A.	2.431*10<sup>-5</sup>
B.	6.424*10<sup>-7</sup>
C.	6.023*10<sup>3</sup>
D.	7.234*10<sup>-7</sup>
Answer» C. 6.023*10<sup>3</sup>

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