The semiconductor used for fabrication of visible LEDs must at least have a band gap of

The semiconductor used for fabrication of visible LEDs must at least have a band gap of
  1. 0.6 eV
  2. 1.2 eV
  3. 1.8 eV
  4. 0.9 eV

Solution

For semiconductor used for fabrication of visible LEDs, Band gap $\geq 1.8 \mathrm{eV}$

Asked in: AP EAMCET 2024 (21 May Shift 1)

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