Q23. The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. The band gap for the semiconductor is:
(a) 0.5 eV
(b) 0.7 eV
(c) 0.9 eV
(d) 1.1 eV

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Accepted Answer

0.5 eV

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Q23. The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. The band gap for the semiconductor is: (a) 0.5 eV (b) 0.7 eV (c) 0.9 eV (d) 1.1 eV

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