The number of electrons excited in an element of band gap 2.12 eV is 2.09 x106.Calculatethe frequency of the photon that is required to excite the electrons from conduction bandto valence band.(a) 1.07x102 Hz(b) 10.7 x102 Hz(c) 9.31x102 Hz(d) 7.08x102 HzX

The expression for the frequency is,

Answered: The number of electrons excited in an…

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter9: Condensed Matter Physics

Section: Chapter Questions

Problem 68P: What is the longest wavelength for a photon that can excite a valence election into the conduction...

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The number of electrons excited in an element of band gap 2.12 eV is 2.09 x106.Calculate the frequency of the photon that is required to excite the electrons from conduction band to valence band. (a) 1.07x102 Hz (b) 10.7 x102 Hz (c) 9.31x102 Hz (d) 7.08x102 Hz X