The semiconductor InN has a bandgap of 2.40 eV. What wavelength of light would be emitted from an LED made from InN? What region of the electromagnetic spectrum is this? (1 eV = 1.6 x 10-19J; 1 nm = 1 x 10-9m)

The semiconductor InN has a bandgap of 2.40 eV. What wavelength of light would be emitted from an LED made from InN? What region of the electromagnetic spectrum is this? (1 eV = 1.6 x 10-19J; 1 nm = 1 x 10-9m)

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter30: Atomic Physics

Section: Chapter Questions

Problem 3PE: If someone wanted to build a scale model of the atom with a nucleus 1.00 m in diameter, how far away...

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Question

9. The semiconductor InN has a bandgap of 2.40 eV. What wavelength of light would be emitted from an LED made from InN? What region of the electromagnetic spectrum is this? (1 eV = 1.6 x 10^-19J; 1 nm = 1 x 10^-9m)

Group of answer choices

A.) 516 nm; green

B.) 3.84 x 10^-19 J; Infrared

C.) 478 nm; blue

D.) 5.16 x 10^-7 nm; green

Interaction between an electric field and a magnetic field.

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