Physics

Problem

Which of the following changes to a Compton-scattering experiment will most directly result in a larger increase in the photon’s wavelength after the collision? a) Using an incident photon with half the original wavelength at the same scattering angle b) Replacing the electron target with a proton of much greater mass c) Increasing the scattering angle from

30^{\circ}

120^{\circ}

while keeping all other factors unchanged d) Reducing the value of the speed of light used in calculations from

3.00\times10^{8}\,\text{m}\,\text{s}^{-1}

2.90\times10^{8}\,\text{m}\,\text{s}^{-1}

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