Objective: Verify Malus’ law for linearly polarised light.
Malus’ law describes how intensity I of polarised light with an initial intensity I0, having passed through an analyser filter, depends on the angle of rotation of the filter. The intensity of the light is measured using a light sensor.
Coach 7 license required!
![Experiment: Malus’ Law , 8000687 [UE4040100-230], Polarisation](/imagelibrary/UE4040100-230/UE4040100-230_01_Experiment-Malus-Law.jpg)
![Experiment: Malus’ Law , 8000687 [UE4040100-230], Polarisation](/thumblibrary/UE4040100-230/UE4040100-230_01_1200_1200_Experiment-Malus-Law.jpg)
![Optical rider D , 90/50, 1002635 [U103111], Optics with an Optical Bench](/thumblibrary/U103111/U103111_01_140_140_Optical-rider-D-9050.jpg)
![Barrel Foot, 1 kg, 1002834 [U13265], Bases](/thumblibrary/U13265/U13265_01_140_140_Barrel-Foot-1-kg.jpg)
![Polarisation Filter on Stem, 1008668 [U22017], Optical Components on Stem](/thumblibrary/U22017/U22017_01_140_140_Polarisation-Filter-on-Stem.jpg)
![Optical Precision Bench D, 1000 mm, 1002628 [U10300], Optics with an Optical Bench](/thumblibrary/U10300/U10300_01_140_140_Optical-Precision-Bench-D-1000-mm.jpg)
![DC Power Supply, 32 V, 20 A (230 V, 50/60 Hz), 1012857 [U11827-230], Power Supplies](/thumblibrary/U11827-230/U11827-230_01_140_140_DC-Power-Supply-32-V-20-A-230-V-5060-Hz.jpg)
![Set of 15 Experiment Leads, 75 cm 1 mm², 1002840 [U13800], Circuits](/thumblibrary/U13800/U13800_01_140_140_Set-of-15-Experiment-Leads-75-cm-1-mm.jpg)
![Set of 15 Experiment Leads, 75 cm, 2.5 mm², 1002841 [U13801], Circuits](/thumblibrary/U13801/U13801_01_140_140_Set-of-15-Experiment-Leads-75-cm-25-mm.jpg)
![Electron Diffraction Tube S, 1013889 [U185711], Electron Tubes S](/thumblibrary/U185711/U185711_01_140_140_Electron-Diffraction-Tube-S.jpg)
![Optical LED Lamp, 1020630 [U21882], Optical Lamps on Stem](/thumblibrary/U21882/U21882_01_140_140_Optical-LED-Lamp.jpg)
![Red Laser Diode, 650 nm, 1003201 [U22000], Optical Lamps on Stem](/thumblibrary/U22000/U22000_01_140_140_Red-Laser-Diode-650-nm.jpg)
![Laser Module, Green, 1003202 [U22001], Optical Lamps on Stem](/thumblibrary/U22001/U22001_01_140_140_Laser-Module-Green.jpg)
![DC Power Supply 20 V, 5 A
(115 V, 50/60 Hz), 1003311 [U33020-115], Power Supplies](/thumblibrary/U33020-115/U33020-115_01_140_140_DC-Power-Supply-20-V-5-A-115-V-5060-Hz.jpg)
![Spectrum Tube Hydrogen, 1003409 [U41817], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U41817/U41817_01_140_140_Spectrum-Tube-Hydrogen.jpg)
![Flint Glass Block for Faraday Effect, 1012860 [U8474060], Prisms](/thumblibrary/U8474060/U8474060_01_140_140_Flint-Glass-Block-for-Faraday-Effect.jpg)
![Plexiglas Plate, 1000880 [U8476371], Electrostatics](/thumblibrary/U8476371/U8476371_01_140_140_Plexiglas-Plate.jpg)
![U-core D, 1000976 [U8497180], Demountable Transformer D](/thumblibrary/U8497180/U8497180_01_140_140_U-core-D.jpg)
![Coil D, 900 Turns, 1012859 [U8497390], Demountable Transformer D](/thumblibrary/U8497390/U8497390_01_140_140_Coil-D-900-Turns.jpg)
![Magnetic Field Sensor, Axial/Tangential, 1001040 [U8533997], Magnetic Fields](/thumblibrary/U8533997/U8533997_01_140_140_Magnetic-Field-Sensor-AxialTangential.jpg)
![Light Sensor, Three Ranges, 1021502 [UCMA-BT50i], Sensors for Physics](/thumblibrary/UCMA-BT50i/UCMA-BT50i_01_140_140_Light-Sensor-Three-Ranges.jpg)
![Experiment: Faraday effect (230 V, 50/60 Hz), 8000689 [UE4040600-230], Polarisation](/thumblibrary/UE4040600-230/UE4040600-230_01_140_140_Experiment-Faraday-effect-230-V-5060-Hz.jpg)