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2. You decide to carry out some experiments in your basement to investigate the photoelectric effect. When you expose a metal plate to a lightsource

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2. You decide to carry out some experiments in your basement to investigate the photoelectric effect. When you expose a metal plate to a lightsource with a wavelength of 365 nm, you find that the photoelectrons ejected from the surface have velocities as high as 0.0014c. Based on this observation: (a) What is the work function of the metal? (b) What is the threshold wavelength for this metal

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