Table 1 Spectrum of the blackbody radiation (45 pts) Resistance Ro of the tungsten filament at room temperature = 2.9910.01 0 Run #1 #2 #3 #4 Tungsten filament voltage(V) 3.03 + 0.01 5 + 0.01 7.02 + 0.01 9.02 + 0.01 Tungsten filament current(A) 0.37 + 0.01 0.5 + 0.01 0.6 1 0.01 0.7 + 0.01 Tungsten filament resistance (Q) 8.19 + 0.22 10 + 0.2 11.7 + 0.2 12.9 0.2 Tungsten filament temparature (K) 656 + 16 773 + 14 881 + 14 956 + 13 Peak wavelngth(nm) 900 + 0.01 882 + 0.01 823.65 + 0.01 814.1 + 0.01 Table 2 Temperature dependence of the blackbody radiation (47 pts) Resistance Ro of the tungsten filament at room temperature = 1.15+0.010 Tungsten filament voltage(V) Tungsten filament current (A) Light Intensity (%) Tungsten filament resistance(() Tungsten filament temaparature 9.09 + 0.01 0.72 + 0.01 72.8 + 1.7 12.6 0.2 2110 + 40 8.03 + 0.01 0.67 1 0.01 56.5 + 1.7 12.0 0.2 2020 40 7.05 + 0.01 0.62 + 0.01 47.1 + 1.7 11.4 0.2 1930 I 40 6.01 + 0.01 0.57 1 0.01 37.2 + 1.7 10.5 + 0.2 1820 40 4.97 + 0.01 0.51 1 0.01 29.3 + 1.7 9.7 + 0.2 1700 40 4.018 + 0.001 0.46 1 0.01 21.0 1 1.7 8.7 I 0.2 1550 1 40 2.958 + 0.001 0.39 + 0.01 8.9 1,7 7.6 0.2 1370 + 40