AP Physics 2 Quiz
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MODERN PHYSICS
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Gamma rays of wavelength 2.0×10−12 m2.0\times10^{-12}\,\text{m} scatter from electrons at rest; at 90∘90^\circ the measured wavelength increases to 2.4×10−12 m2.4\times10^{-12}\,\text{m}. The wavelength increase occurs because the photon
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