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An LED gives out light of wavelength 560 nm. Use hc =… | StemPy Lab

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An LED gives out light of wavelength 560 nm. Use hc = 1240 eV nm. What is the band gap of its material, taking the photon energy as equal to the gap?

PhysicsEasyHigh School (11–12)Electronics

Created by StemPy Lab

An LED gives out light of wavelength $560$ nm. Use $hc = 1240\ \text{eV nm}$ . What is the band gap of its material, taking the photon energy as equal to the gap?

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