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The electrical conductivity of a semicon...

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 600 nm is incident on it . The energy band gap (in eV) for the semiconductor is

A

a. `1.50`

B

b. `0.75`

C

c. `2.06`

D

d. `0.90`

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The correct Answer is:
C
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