excited electrons

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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What happens when excited electrons return to the base state?

A.There is emission of electrons which will be converted into photons by the photoelectric effect.

B.There is a loss of heat and therefore a change in the color from fluorescence to cold colors (more to blue).

C.There is a loss of vibrational energy and photon emission.

D.There is a photon emission at the same wavelength as the excitatory photons.

 

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The lowest energy state an atom can be at is called its ground state. When an electron in an atom has absorbed energy it is said to be in an excited state. An excited atom is unstable and tends to rearrange itself to return to its lowest energy state. When this happens, the electrons lose some or all of the excess energy by emitting light. Light is only emitted at certain frequencies, each corresponding to a particular electronic transition within the allowed states.

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