Learning Goal: To understand polarization of light and how to use Malus's law to calculate the intensity of a beam of light after passing through one or more polarizing filters. The two transverse waves shown in the figure(Figure 1) both travel in the +z direction. The waves differ in that the top wave oscillates horizontally and the bottom wave oscillates vertically. The direction of oscillation of a wave is called the polarization of the wave. The upper wave is described as polarized in the +x direction whereas the lower wave is polarized in the +y direction. In general, waves can be polarized along any direction. Recall that electromagnetic waves, such as visible light, microwaves, and X rays, consist of oscillating electric and magnetic fields. The polarization of an electromagnetic wave refers to the oscillation direction of the electric field, not the magnetic field. In this problem all figures depicting light waves illustrate only the electric field. 2 of 2 Figure 00 lo x Polarizer OTA 0₁ Submit Previous Answers ✓ Correct Part C If Io = 20.0 W/m², 00 = 25.0 degrees, and OTA = 40.0 degrees, what is the transmitted intensity I₁? Express your answer numerically in watts per square meter. VG ΑΣΦ ? I₁ = Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part D Complete previous part(s) Part E Complete previous part(s) Part F Complete previous part(s) W/m²
Learning Goal: To understand polarization of light and how to use Malus's law to calculate the intensity of a beam of light after passing through one or more polarizing filters. The two transverse waves shown in the figure(Figure 1) both travel in the +z direction. The waves differ in that the top wave oscillates horizontally and the bottom wave oscillates vertically. The direction of oscillation of a wave is called the polarization of the wave. The upper wave is described as polarized in the +x direction whereas the lower wave is polarized in the +y direction. In general, waves can be polarized along any direction. Recall that electromagnetic waves, such as visible light, microwaves, and X rays, consist of oscillating electric and magnetic fields. The polarization of an electromagnetic wave refers to the oscillation direction of the electric field, not the magnetic field. In this problem all figures depicting light waves illustrate only the electric field. 2 of 2 Figure 00 lo x Polarizer OTA 0₁ Submit Previous Answers ✓ Correct Part C If Io = 20.0 W/m², 00 = 25.0 degrees, and OTA = 40.0 degrees, what is the transmitted intensity I₁? Express your answer numerically in watts per square meter. VG ΑΣΦ ? I₁ = Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part D Complete previous part(s) Part E Complete previous part(s) Part F Complete previous part(s) W/m²
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter34: Maxwell’s Equations And Electromagnetic Waves
Section: Chapter Questions
Problem 36PQ
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Question
Transcribed Image Text:Learning Goal:
To understand polarization of light and how to use
Malus's law to calculate the intensity of a beam of light
after passing through one or more polarizing filters.
The two transverse waves shown in the figure(Figure 1)
both travel in the +z direction. The waves differ in that the
top wave oscillates horizontally and the bottom wave
oscillates vertically. The direction of oscillation of a wave
is called the polarization of the wave. The upper wave is
described as polarized in the +x direction whereas the
lower wave is polarized in the +y direction. In general,
waves can be polarized along any direction.
Recall that electromagnetic waves, such as visible light,
microwaves, and X rays, consist of oscillating electric and
magnetic fields. The polarization of an electromagnetic
wave refers to the oscillation direction of the electric field,
not the magnetic field. In this problem all figures depicting
light waves illustrate only the electric field.
Figure
2 of 2
,00
10
XTA
Polarizer
0₁
Submit
Previous Answers
Part C
If Io = 20.0 W/m², 0o = 25.0 degrees, and OTA = 40.0 degrees, what is the transmitted intensity I₁?
Express your answer numerically in watts per square meter.
G| ΑΣΦ
?
I₁ =
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 4 attempts remaining
Correct
Part D Complete previous part(s)
Part E Complete previous part(s)
Part F Complete previous part(s)
W/m²
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