If the energy of a photon of sodium light ( = 589 nm) equals the band gap of a…
Physics · Class 12 · CBSE — Semiconductor Electronics
If the energy of a photon of sodium light (\(\lambda\) = 589 nm) equals the band gap of a semiconductor, the minimum energy required to create a hole-electron pair is:
- 1.1 eV
- 2.1 eV
- 3.2 eV
- 1.5 eV
Answer
(B) 2.1 eV
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