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AP Physics 2
15.5 The Photoelectric Effect
IntermediateMCQProportional AnalysisConceptual21.3k
Monochromatic light of wavelength \(\lambda_1\) is incident on a metal surface in a photoelectric experiment, resulting in photoelectrons emitted with a stopping potential of \(V_1\). The light source is then replaced with another monochromatic source emitting light of wavelength \(\lambda_2 = \dfrac{\lambda_1}{2}\), resulting in a stopping potential of \(V_2\). Which of the following correctly compares \(V_2\) to \(V_1\) and provides a valid justification?

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