The bank gap of an alloy semiconductor galiumarseide phosphie is `1.98eV`. Calculate the wavelength of radiation that is emitted when electrons and ho

Monjur Alahi

The bank gap of an alloy semiconductor galiumarseide phosphie is `1.98eV`. Calculate the wavelength of radiation that is emitted when electrons and holes in this material combine directly. What is the colour of the emitted radiation? Take `h=6.6xx10^(-34) Js`


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Salim Ahmed Kawsar

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Correct Answer - `6250Å,` red

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