5) A source of a beam of natural light of intensity 3 kW/m2, three ideal polarizers 1, 2, and 3, and an observer. Polarizer axis angles are measured clockwise from the vertical, as viewed by the observer. The axis angle of polarizer 1 is set at 0° (vertical), and the axis angle of polarizer 2 is set at 60°. The axis angle of polarizer 3 is set at 50°. What is the intensity of the beam at the observer? (Show your work step by step) (

5) A source of a beam of natural light of intensity 3 kW/m2, three ideal polarizers 1, 2, and 3, and an observer. Polarizer axis angles are measured clockwise from the vertical, as viewed by the observer. The axis angle of polarizer 1 is set at 0° (vertical), and the axis angle of polarizer 2 is set at 60°. The axis angle of polarizer 3 is set at 50°. What is the intensity of the beam at the observer? (Show your work step by step) (

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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A plane electromagnetic wave varies sinusoidally at 90.0 MHz as it travels in the positive x-direction. The peak value of the electric field is 2 mV/m, and is directed along the positive x-direction. Determine: the wavelength, the period the peak value of the magnetic field. Write expressions in SI units for the variations in space and time of both the electric and magnetic fields. Include both numerical values and subscripts to indicate direction coordinates.
More than one analyzer can be used in a setup like that in the drawing, each analyzer following the previous one. Suppose that the transmission axis of the first analyzer is rotated 15° relative to the transmission axis of the polarizer, and that the transmission axis of each additional analyzer is rotated 15° relative to the transmission axis of the previous one. What is the minimum number of analyzers needed for the light reaching the photocell to have an intensity that is reduced by at least a factor of 100 relative to that striking the first analyzer? Number i Unpolarized light Units Polarizer E cos 0 90° E Analyzer E cos 0 Photocell
A 50 mW laser beam is polarized horizontally. It then passes through two polarizers. The axis of the first polarizer is oriented at 30° from the horizontal, and that of the second is oriented at 60° from the horizontal. What is the power of the transmitted beam?
An unpolarized beam of light is incident on a polarizer. At any orientation of the polarizer, the light transmitted is 400 W/m2. What is the intensity of the incident beam? a. 40 W/m2 b. 200 W/m2 c. 400 W/m2 d. 800 W/m2 e. 1200 W/m2
If the RMS magnetic field strength of a sinusoidal plane EM wave is 0.368 millitesla, what is the average pressure it would impose on a reflective surface? N/m2 is the appropriate unit of measurement.
Solar radiation at a point on the earth's surface is 3.5 kW /m^2 intensity. Calculate: a. the amplitude of the electric and magnetic fields that make up said radiation b. the light power that is received on a panel with a surface area of 1.5 m2
Polarizers: Three polarizers with different axes of transmission will be placed in the path of an unpolarized laser beam with an intensity of 1000 W/m². The transmission axis of polarizer A is vertical (0°), that of B is rotated 35.5° clockwise with respect to vertical, and that of C is rotated 53.3° clockwise with respect to vertical. The polarizers can be placed in any order, but the second polarizer must be 522 mm from the first, and the third must be 229 mm from the second. (a) Find the arrangement of polarizers that maximizes the transmitted intensity and compute the maximum intensity. (b) Find the arrangement of polarizers that minimizes the transmitted intensity and compute the minimum intensity.
Example The normalized radiation intensity of an antenna is defined by U(0) = sin(0), Find the: b. FNBW a. HPBW 270 300 1 240 330 210 180 150 Exam The r F a.
Problem 5: Electromagnetic radiation from a 5.05-mW laser is concentrated on a 1.05-mm2 area. Part (a) What is the intensity of the radiation falling on this surface, in watts per square meter? I = 4809 ✔ Correct! Part (b) Suppose the surface carries a 2.00-nC electric charge. What is the maximum magnitude of the electric force, in newtons, it experiences? FE,0 = 3.805 * 10-6 Part (c) If the charge moves at 400 m/s, what is the maximum magnetic force, in newtons, that it feels? FB,0 = Please answer c, 4.68 * 10- 12 is incorrect
More than one analyzer can be used in a setup like that in the drawing, each analyzer following the previous one. Suppose that the transmission axis of the first analyzer is rotated 29° relative to the transmission axis of the polarizer, and that the transmission axis of each additional analyzer is rotated 29° relative to the transmission axis of the previous one. What is the minimum number of analyzers needed for the light reaching the photocell to have an intensity that is reduced by at least a factor of 100 relative to that striking the first analyzer? Number i Unpolarized light Units Polarizer E cos 0 (90° .0 E E Analyzer E cos 0 Photocell
The average intensity a distance d₁ = 1.6 m from an omni-directional light bulb is l₁ = 1.3 W/m². (a) Write a symbolic expression for the intensity a distance d₂ = 2.5 m from the same bulb, in terms of ₁, d₁ and d₂, and calculate its numeric value. 1, ₂ W/m² (Don't worry about the font -- use 11 for 1.) (b) Calculate the maximum output power of the light bulb. Pmax = W