Physics · Semiconductor Devices
If a semiconductor photodiode can detect a photon with a maximum wavelength of 400 nm, then its band gap energy is close to: (Planck's constant h = 6.63 × 10-34 J·s, Speed of light c = 3 × 108 m/s)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13.1 eV✓
- 21.5 eV
- 32.0 eV
- 41.1 eV
Correct answer
3.1 eV
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