7 Axis Sample Problem: An unpolarized light with an intensity of 100 W/m? passes through two polarizing filters that are oriented at an angle of 40° to each other. What is the intensity of the light that emerges from each 7 Axis Unpolarized light other? Polarized light Given: Solution: lo = 100 W/m² l1= % lo 1 = % (100) 1 = 50 W/m? I2 = 1ocos?0 I2 = (50) cos? (40) = (50)(0.77)2 = (50)(0.59) 12 = 29.5 W/m2 Polarizer Analyzer e = 40° Figure 1. When unpolarized light is incident on the first polarizer the intensity of the transmitted light is exactly half (50%) no matter how the polarizing axis is oriented. The brightness of the polarized light decreases as the angle, e, increases between the transmission axis of the second polarizer and the plane of polarization of the light. ACTIVITY: Calculate the following problems using Malus' Law. A light uith 2. The angle between the axes of two polarizing filters is 45°. By how much does the second filter reduce the intensity of the light coming through the first when the intensity of the unpolarized light that passed through them is 110 W/m2?

7 Axis Sample Problem: An unpolarized light with an intensity of 100 W/m? passes through two polarizing filters that are oriented at an angle of 40° to each other. What is the intensity of the light that emerges from each 7 Axis Unpolarized light other? Polarized light Given: Solution: lo = 100 W/m² l1= % lo 1 = % (100) 1 = 50 W/m? I2 = 1ocos?0 I2 = (50) cos? (40) = (50)(0.77)2 = (50)(0.59) 12 = 29.5 W/m2 Polarizer Analyzer e = 40° Figure 1. When unpolarized light is incident on the first polarizer the intensity of the transmitted light is exactly half (50%) no matter how the polarizing axis is oriented. The brightness of the polarized light decreases as the angle, e, increases between the transmission axis of the second polarizer and the plane of polarization of the light. ACTIVITY: Calculate the following problems using Malus' Law. A light uith 2. The angle between the axes of two polarizing filters is 45°. By how much does the second filter reduce the intensity of the light coming through the first when the intensity of the unpolarized light that passed through them is 110 W/m2?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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