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AP Physics 2
15.6 Compton Scattering
15.5 The Photoelectric Effect
AdvancedMCQMathematicalConceptual16.7k
A student compares the mechanisms of single-photon interactions with electrons in the photoelectric effect and in Compton scattering. Which row in the following table correctly identifies the fate of the incident photon in the photoelectric effect, the state of the electron required for complete photon absorption, and the change in wavelength of the scattered photon in Compton scattering?

Fate of Incident Photon in Photoelectric EffectInteracting Electron in Photoelectric EffectScattered Photon in Compton Scattering
(A)Completely absorbedBound to an atom or latticeWavelength increases (\(\lambda' > \lambda\))
(B)Completely absorbedFree and isolatedWavelength increases (\(\lambda' > \lambda\))
(C)Completely absorbedBound to an atom or latticeWavelength decreases (\(\lambda' < \lambda\))
(D)Inelastically scatteredFree and isolatedWavelength increases (\(\lambda' > \lambda\))

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