An LED is constructed from a Pn junction based on a certain semi-conducting material with energy gap of 1.55 eV.

Question 1

An LED is constructed from a Pn junction based on a certain semi-conducting material with energy gap of 1.55 eV. What is the wavelength of the emitted light?

Question 2

λ = 1241/1.55 = 800nm

An LED is constructed from a Pn junction based on a certain semi-conducting material with energy gap of 1.55 eV.

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An LED is constructed from a Pn junction based on a certain semi-conducting material with energy gap of 1.55 eV.

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