Physics · 2024
JEE Main · 9 April 2024, Shift 1 · Q48
A light emitting diode (LED) is fabricated using GaAs semiconducting material whose band gap is 1.42 eV. The wavelength of light emitted from the LED…
A light emitting diode (LED) is fabricated using GaAs semiconducting material whose band gap is $\displaystyle 1.42$ eV . The wavelength of light emitted from the LED is :
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 875$ nm
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.