A light emitting diode (LED) is fabricated using GaAs semiconducting
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 is :
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 is :