Question

58. Calculate the wavelength of radiation emitted by an LED made up of a semiconducting material with
band gap energy 2.8eV.
(A) 2.8 Å
(B) 4.3308 Å
(C) 5548.4 Å
(D) 4430.8 Å​

Answer 1

Answer:

• Calculate the wavelength of radiation emitted by an LED made up of a semiconducting material with band gap energy 2.8eV. ʎ = 4430.8 Å.
• option - D is correct one .

Explanation:

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Answer 2

Answer:

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