Physics
Malus Law Calculator
Transmitted intensity I = I₀ cos²θ through a polarizer.
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Transmitted intensity I
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This free Malus Law Calculator covers Transmitted intensity I = I₀ cos²θ through a polarizer.
Malus's law gives intensity after an ideal linear polarizer. Related physics tools sit beside How it works, with no account required.
Using the Malus Law Calculator
Transmitted intensity I = I₀ cos²θ through a polarizer. Typical inputs are Incident intensity I₀ and Angle θ (°). How it works beside the form states the identity the Malus Law Calculator applies.
FAQ
How do I use the Malus Law Calculator?
Open the Malus Law Calculator, fill Incident intensity I₀ and Angle θ (°), and read the result. Multiply incident intensity by cos² of the angle between axes.
What formula does the Malus Law Calculator use?
The Malus Law Calculator uses the identity in How it works. In words: Multiply incident intensity by cos² of the angle between axes.