Three photo diodes D 1 , D 2 and D 3 are made of semiconductors having band gap of 2.5…

Physics · Class 12 · CBSESemiconductor Electronics

Three photo diodes D1, D2 and D3 are made of semiconductors having band gap of 2.5 eV, 2 eV and 3 eV, respectively. Which one will be able to detect light of wavelength 6000 Å ?
  1. D1
  2. D2
  3. D3
  4. D1 and D2 both

Answer

(B) D 2

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