光电效应法测普朗克常数 365nm V(V) -1.800 -1.700 -1.600 -1.500 -1.400 -1.300 -1.200 -1.100 I(10-6μA) -13.6 -13.4 -13.0 -11.7 -8.40 -2.60 6.20 18.6 405nm V(V) -1.200 -1.100 -1.000 -0.900 -0.800 -0.700 -0.600 -0.500 I(10-6μA) -9.5 -9.4 -9.1 -8.0 -6.0 -4.8 -2.1 2