Physics · 2019
NEET 2019 · 20 May · Code G1 · Q148
An LED is constructed from a p-n junction diode using GaAsP. The energy gap is 1.9 eV. The wavelength of the light emitted will be equal to
An LED is constructed from a p-n junction diode using GaAsP. The energy gap is $\displaystyle 1.9$ eV. The wavelength of the light emitted will be equal to
Official answer
(2)
$\displaystyle 654$ nm
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