Experiment: Inverse square law (230 V, 50/60 Hz)

Experiment: Inverse square law (230 V, 50/60 Hz), 8000691 [UE4050100-230], Intensity of Radiation
Objective: Verify the inverse square law for the intensity of radiation from a source of light

According to the inverse square law, the intensity of radiation from a light source, i.e. the power per unit area, is inversely proportional to the square of the distance from the source. This will be investigated in an experiment using an incandescent light bulb. When the distance from the lamp is much greater than the size of the filament, such a bulb can be regarded as a point source of light. In order to measure the relative intensity of the radiation, a Moll thermopile is used.

Delivery scope

Stefan Boltzmann lamp, 1008523 [U8490050], Optical Lamps on Stem

Stefan Boltzmann lamp

1008523 [U8490050]
Thermopile, 1000824 [U8441301], Greenhouse Effect

Thermopile

1000824 [U8441301]
Digital Multimeter P1035, 1002781 [U11806], Hand-held Digital Measuring Instruments

Digital Multimeter P1035

1002781 [U11806]
Ruler, 1 m, 1000742 [U8401550], Measurement of Length

Ruler, 1 m

1000742 [U8401550]
Barrel Foot, 500 g, 1001046 [U8611210], Tripods and Barrel Feet

Barrel Foot, 500 g

1001046 [U8611210]
Item No.: 8000691 [UE4050100-230]
Brand 3B Scientific
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