Have you ever chewed on a wintergreen mint in front of a mirror in the dark? If you have, you may have noticed some sparks of light coming out of your mouth as you chewed on the candy; and, without knowing it, you have experienced a physical phenomenon called triboluminescence. In this problem you will analyze some of the key elements of triboluminescence in wintergreen candies. When you break a sugar crystal with your teeth, energetic electrons, released by the broken chemical bonds, collide with nitrogen molecules in the air. As a result of these collisions, the electrons in the nitrogen molecules jump to a state of higher energy; when they decay to their ground state, radiation is emitted. Part A Imagine that an electron in an excited state in a nitrogen molecule decays to its ground state, emitting a photon with a frequency of 8.88×1014 Hz. What is the change in energy, AE, that the electron undergoes to decay to its ground state? Express your answer in electron volts to three significant figures. ► View Available Hint(s) ΔΕ = 15| ΑΣΦ ? eV

Have you ever chewed on a wintergreen mint in front of a mirror in the dark? If you have, you may have noticed some sparks of light coming out of your mouth as you chewed on the candy; and, without knowing it, you have experienced a physical phenomenon called triboluminescence. In this problem you will analyze some of the key elements of triboluminescence in wintergreen candies. When you break a sugar crystal with your teeth, energetic electrons, released by the broken chemical bonds, collide with nitrogen molecules in the air. As a result of these collisions, the electrons in the nitrogen molecules jump to a state of higher energy; when they decay to their ground state, radiation is emitted. Part A Imagine that an electron in an excited state in a nitrogen molecule decays to its ground state, emitting a photon with a frequency of 8.88×1014 Hz. What is the change in energy, AE, that the electron undergoes to decay to its ground state? Express your answer in electron volts to three significant figures. ► View Available Hint(s) ΔΕ = 15| ΑΣΦ ? eV

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

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Have you ever chewed on a wintergreen mint in
front of a mirror in the dark? If you have, you may
have noticed some sparks of light coming out of
your mouth as you chewed on the candy; and,
without knowing it, you have experienced a
physical phenomenon called triboluminescence. In
this problem you will analyze some of the key
elements of triboluminescence in wintergreen
candies.
When you break a sugar crystal with your teeth, energetic electrons, released by the broken chemical
bonds, collide with nitrogen molecules in the air. As a result of these collisions, the electrons in the
nitrogen molecules jump to a state of higher energy; when they decay to their ground state, radiation
is emitted.
▼ Part A
Imagine that an electron in an excited state in a nitrogen molecule decays to its ground state,
emitting a photon with a frequency of 8.88×1014 Hz. What is the change in energy, AE, that the
electron undergoes to decay to its ground state?
Express your answer in electron volts to three significant figures.
► View Available Hint(s)
ΔΕ =
VE ΑΣΦ
3
?
eV

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