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Properties of Electromagnetic Waves

When an unpol...

Question

When an unpolarised light is polarized, then the intensity of light of the polarized wave :

A

remains the same

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B

gets doubled

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C

gets halved

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D

depends on the colour of the light.

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Solution

The correct option is C gets halved
In an unpolarised light the light has Intensity distributed in all polarizing directions.
When it is polarized half the Intensity is polarized in a particular direction and the other half in a perpendicular direction is not transmitted.

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