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1. This question is about photoelectric emission. A piece of metal is placed in an evacuated container. Light of wavelength 444 Hill is incident on

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1. This question is about photoelectric emission. A piece of metal is placed in an evacuated container. Light of wavelength 444 Hill is incident on the surface of the metal. The surface has a work function of 4.60 EU. (a) (i) Calculate the energy, in joule, of a photon of light of wavelength 444 nm

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