Silicon films become better electrical conductors when illuminated by photons with energies of 1.14 eV or greater, an effect called photoconductivity. Which of the following wavelengths of electromagnetic radiation can cause photoconductivity in silicon films? (i) Ultraviolet light with l = 300 nm; (ii) red light with l = 600 nm; (iii) infrared light with l = 1200 nm; (iv) both (i) and (ii); (v) all of (i), (ii), and (iii).
Silicon films become better electrical conductors when illuminated by photons with energies of 1.14 eV or greater, an effect called photoconductivity. Which of the following wavelengths of electromagnetic radiation can cause photoconductivity in silicon films? (i) Ultraviolet light with l = 300 nm; (ii) red light with l = 600 nm; (iii) infrared light with l = 1200 nm; (iv) both (i) and (ii); (v) all of (i), (ii), and (iii).
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Silicon films become better electrical
conductors when illuminated by photons with energies of 1.14 eV or greater, an effect called
photoconductivity.
Which of the following wavelengths of
photoconductivity in silicon films? (i) Ultraviolet light with l = 300 nm; (ii) red light with
l = 600 nm; (iii) infrared light with l = 1200 nm; (iv) both (i) and (ii); (v) all of (i), (ii), and (iii).
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