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Chapter 31: Q. 24 (page 902)

Only 25%of the intensity of a polarized light wave passes through a polarizing filter. What is the angle between the electric field and the axis of the filter?

Short Answer

Expert verified

Angle between field of force and also the axis of the filter, 胃=60掳

Step by step solution

01

Polarizing filter

Horizontal polarizing occurs when light reflects off horizontal surfaces like the road, water, or snow. A vertically oriented polarized filter will reduce glare while still allowing many light to experience. A polarized filter on your camera can assist decrease glare. The identical principle applies to polarized sunglasses.

02

Calculate θ

I/Io=25%

We may find angle by staring the subsequent relation胃:

I=Iocos2胃

We are now calculating for胃

I=Io(cos胃)2

cos2胃=IIo (Where is I/Io=25%)

cos2胃=0.25

cos胃=0.5

胃=60掳

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