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The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it.

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asked Mar 30, 2018 in Physics by shabnam praween (19,050 points) ● 5 ● 6 ● 8

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. The band gap in (eV) for the semiconductor is

(1) 1.1 eV

(2) 2.5 eV

(3) 0.5 eV

(4) 0.7 eV

1 Answer

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answered Mar 30, 2018 by santoshjha (25,550 points) ● 4 ● 5 ● 6
selected Mar 30, 2018 by Vikash Kumar
 
Best answer

The correct answer is (3)

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