leticiardz4819 leticiardz4819

23-01-2024
Physics

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The electrical conductivity of a semiconductor increases when electromagnatic radiation of wavelength shorter than 2480 nm is incident on it. The band gap (in eV) for the semiconductor is [hc=1242eVnm]
A 0.7eV
B 0.5eV
C 2.5eV
D 1.2eV

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