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Get Answers to all your Questions
The electrical conductivity of semiconductor increases when electromagnetic radiation of wavelength shorter than 2800 nm is incident on it. The band gap in (eV) for the semiconductor is:
Answers (1)
$\begin{aligned} & E_g=h v \\ & =\frac{h c}{\lambda}=\left(\frac{6.63 \times 10^{-34} \times 3 \times 10^8}{2480 \times 10^{-9} \times 1.6 \times 10^{-19}}\right) \mathrm{eV} \\ & =0.5 \mathrm{eV}\end{aligned}$
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