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Electronic Devices question

2021 · 22 Jul · Shift 2 · Q64
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Electronic Devices question

2021 · 22 Jul · Shift 2 · Q64

JEE MainPhysicsElectronic DevicesMCQ+4 / −1
Consider a situation in which reserve biased current of a particular P-N junction increases when it is exposed to a light of wavelength ≤\le≤ 621 nm. During this process, enhancement in carrier concentration takes place due to generation of hole-electron pairs. The value of band gap is nearly.
  1. A
    1 eV
  2. B
    4 eV
  3. C
    0.5 eV
  4. D
    2 eV
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