Question

According to the law of Malus, the intensity of polarized light emerging through the analyzer varies as –​

Answer 1

Answer:

Malus' law states that the intensity of plane-polarized light that passes through an analyzer varies as the square of the cosine of the angle between the plane of the polarizer and the transmission axes of the analyzer.

Answer 2

According to the law of Malus, the intensity of polarized light emerging through the analyzer varies as the square of the cosine of the angle between the plane of the polarizer and the transmission axes of the analyzer.

Explanation:

The Malus law helps us to study the quantitative verification of the nature of polarized light.

Let us take the expression for Malus’ law.

1 – When Unpolarized light is incident on a polarizer the amount of intensity of the transmitted light is exactly half that of the incident unpolarized light no matter how the polarizing axis is oriented.

2 – An ideal polarizing filter will pass 100% of incident unpolarized light, This polarized light is in the direction of the filter’s (Polarizer) Polarizing axis.

• Malus law is important when we study the polarization properties of light.
• The law helps us to study the light intensity relation of the polarizer-analyzer.
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