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B. Light of wavelength 470 nm is incident on a metallic surface. If the stopping potential for the photoelectric effect is 0.45 V, nd (a)

B. Light of wavelength 470 nm is incident on a metallic surface. If the stopping potential for the photoelectric effect is 0.45 V, nd (a) the maximum energy of the emitted electrons, (b) the work function, and (c) the cutoff wavelength

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