The electrical conductivity of a semiconductor increases when electro magnetic radiation of wavelength shorter than 2480nm

The electrical conductivity of a semiconductor increases when electro magnetic radiation of wavelength shorter than 2480nm, is incident on it. The band gap in (eV) for the semiconductor is: is incident on it. The band gap in (eV) for the semiconductor is: The electrical conductivity of a semiconductor increases when electro magnetic radiation of wavelength [...]