Experiment: Stefan-Boltzmann Law, 115 V
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Product Details
3B Scientific, UE4050200-115, Experiment for Optics: Stefan-Boltzmann Law, 115 V, 50/60 HzUE4050200-115 Includes Only:Stefan Boltzmann lampDC Power Supply 20 V, 5 A (115 V, 50/60 Hz)ThermopileDigital Multimeter P1035 - 3 pcsBarrel Foot, 1 kg - 2 pcsSet of 15 Safety Experiment Leads, 75 cmFeatures:Objective: Verify that intensity of radiation is proportional to the fourth power of the temperature, T4The way that intensity of radiation from a black body depends on temperature is described by the Stefan-Boltzmann law. Similar dependence on temperature is exhibited by the intensity of radiation from an incandescent lamp with a tungsten filament. In this experiment, a Moll thermopile is used to make a relative measurement which verifies the law. The temperature of the filament can be determined from the way its resistance depends on temperature, which can be determined very accurately using a four-wire method.