AV, (V) 2 s(x 1o15 Hz) 0.2 0.4 0.6 0.8 1 1.2 Figure P39.41
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As shown the stopping potential versus the incident photon frequency for the
sodium, (b) the ratio h/e, and (c) the cutoff wavelength. The data are taken from R. A. Millikan, Physical Review 7:362 (1916).
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