The surface of some material is irradiated in turn, by waves of wavelength λ1=6.4 × 10−7 m and λ2=9.8 × 10−7 m respectively. The ratio of stopping potential in two cases is 2 : 1. The work function is _____
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The surface of some material is irradiated in turn, by waves of wavelength λ1=6.4 × 10−7 m and λ2=9.8 × 10−7 m respectively. The ratio of stopping potential in two cases is 2 : 1. The work function is _____