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14. Semicondutor electronics — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics14. Semicondutor electronics1 Mark
MCQ
The material suitable for making a solar cell is
  • A
    $PbS$
  • ✓
    $GaAs$
  • C
    $CdSe$
  • D
    $Ge$
✓

Answer

Correct option: B.
$GaAs$
b
(b)

Ga As has a band gap close to $1.5 \,eV$ which in same as maximum intensity of solar radiation spectrum.

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