Question #181410
What is malus law for unpolarized light.
1
Expert's answer
2021-04-15T20:40:23-0400

\bigstar  Malus law for unpolarized light



\bull For unpolarized light, the electric and magnetic field components of light waves oscillate in random directions having more than one plane.


\bull The intensity of polarized light will become minimum when the polarization axis of the polarizer is perpendicular with the emitted polarized light.



\bull Malus’ law states that the intensity of plane-polarized light that passes through an analyzer varies as

\bull the square of the cosine of the angle between the plane of the polarizer and the transmission axes of the analyzer.



\bigstar

formula

I=Iocos2ϕ\boxed{ I = I_o cos^2 ϕ}



\bigstar

Diagrams








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