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)
![Optical Precision Bench D, 500 mm, 1002630 [U10302], Optics with an Optical Bench](/thumblibrary/U10302/U10302_01_140_140_Optical-Precision-Bench-D-500-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, 2.5 mm², 1002841 [U13801], Circuits](/thumblibrary/U13801/U13801_01_140_140_Set-of-15-Experiment-Leads-75-cm-25-mm.jpg)
![Set of 15 Safety Experiment Leads, 75 cm, 2.5 mm², 1002843 [U138021], Circuits](/thumblibrary/U138021/U138021_01_140_140_Set-of-15-Safety-Experiment-Leads-75-cm-25-mm.jpg)
![Tube Holder S -
for the experimental setup of tubes of series S, 1014525 [U185002], Electron Tubes S](/thumblibrary/U185002/U185002_01_140_140_Tube-Holder-S-for-the-experimental-setup-of-tubes-of-series-S.jpg)
![Electron Diffraction Tube S, 1013889 [U185711], Electron Tubes S](/thumblibrary/U185711/U185711_01_140_140_Electron-Diffraction-Tube-S.jpg)
![Digital Spectrometer LD, 1018103 [U22028], Spectrophotometer](/thumblibrary/U22028/U22028_01_140_140_Digital-Spectrometer-LD.jpg)
![High Voltage Power Supply 5 kV (115 V, 50/60 Hz), 1003309 [U33010-115], Power Supplies](/thumblibrary/U33010-115/U33010-115_01_140_140_High-Voltage-Power-Supply-5-kV-115-V-5060-Hz.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)
![Plate Capacitor D, 1006798 [U8492355], Electrostatics](/thumblibrary/U8492355/U8492355_01_140_140_Plate-Capacitor-D.jpg)
![Pair of Pole Shoes D, 1000978 [U8497200], Demountable Transformer D](/thumblibrary/U8497200/U8497200_01_140_140_Pair-of-Pole-Shoes-D.jpg)
![Coil D, 900 Turns, 1012859 [U8497390], Demountable Transformer D](/thumblibrary/U8497390/U8497390_01_140_140_Coil-D-900-Turns.jpg)
![Analogue Multimeter ESCOLA 100, 1013527 [U8557380], Hand-held Analog Measuring Instruments](/thumblibrary/U8557380/U8557380_01_140_140_Analogue-Multimeter-ESCOLA-100.jpg)
![Light Sensor, Three Ranges, 1021502 [UCMA-BT50i], Sensors for Physics](/thumblibrary/UCMA-BT50i/UCMA-BT50i_01_140_140_Light-Sensor-Three-Ranges.jpg)
![Sensor Cable, 1021514 [UCMA-BTsc1], Additional Accessories for Computer-aided Experimentation](/thumblibrary/UCMA-BTsc1/UCMA-BTsc1_01_140_140_Sensor-Cable.jpg)
![Experiment: Line Spectra (115 V, 50/60 Hz), Basic equipment, 8000705 [UE5020100-115], Atomic shells](/thumblibrary/UE5020100-115/UE5020100-115_01_140_140_Experiment-Line-Spectra-115-V-5060-Hz-Basic-equipment.jpg)