The electrical conductivity of a semiconductor increases when electromagnetic radiation

Question 1

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

(a) 1.1 eV

(b) 2.5 eV

(c) 0.5 eV

(d) 0.7 eV

Question 2

Correct Option (c) 0.5 eV

Explanation:

The electrical conductivity of a semiconductor increases when electromagnetic radiation

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The electrical conductivity of a semiconductor increases when electromagnetic radiation

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