   Chapter 27, Problem 88PE

Chapter
Section
Textbook Problem

At the end of Example 27.8, it was stated that the intensity of polarized light is reduced to 90.0% of its original value by passing through a polarizing filter with its axis at an angle of 18.4° to the direction of polarization. Verify this statement.

To determine

To Show:

That the intensity of polarize light is reduced by 90% when the polarizer filter makes angle of 18.4° from the direction of polarization

Explanation

Given info:

Angle between the direction of polarized light and the axis of polarizing filter, θ=18.4°

Formula used:

The intensity of the transmitted wave is related to the incident wave by

I=Iocos2θ

Here,

I is the intensity of transmitted light

Io is the intensity of incident wave

θ is the angle between the direction of polarized light and the axis of polarizing filter

Calculation:

Let the intensity of incident light is Io

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