ContentPart 1: True statementsWhich of the following statements are true? Choose all that are.✔When light from a star passes through an exoplanet's atmosphere, we can determine what the atmosphere consists of by looking at the emission spectrum.As a wave moves from one medium to another (n₁ #n₂), the wavelength remains constant.Technically, different frequencies travel the same speed in a non-vacuum medium.✔Light passes through two successive polarizers. If the axes of the polarizers are perpendicular, then no light will emerge from the second.Part 2: More true statementsWhich of the following statements are true? Choose all that are.When using a diffraction grating, the zeroth order is the undeflected incoming light.Maximum destructive interference occurs when the waves are out of phase.When unpolarized light is incident on a polarizer, all of it will pass through and that light will be polarized.When reflected, light tends to become polarized in the plane perpendicular to the reflected surface.X

1. When light from a star passes through an exoplanet's atmosphere, we an determine what the…

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Unpolarized light with an initial intensity of 32 W/m2 is incident on a perfect polarizing material that allows light through with a vertical orientation. The light then passes through a second polarizer that is rotated 450 with respect to the first. Finally, the light passes through a third polarizer that is oriented at 900 with respect to the first. What is the intensity of light that makes it through the first polarizer? A. 0 What is the intensity of light that makes it through the second polarizer? B. 2 W/m2 |What is the intensity of light that makes it through all three polarizers? C. 4 W/m2 D. 8 W/m2 E. 16 W/m2 F. 32 W/m2
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At one instant, the electric and magnetic fields at one point of an electromagnetic wave are E = (230i +350 - 60k) V/m and B = (7.11 7.5j + ak)Bo. Sy = 190 Submit Part E m² Previous Answers Correct Find the z-component of the Poynting vector. Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) Submit μA S₂ = -230 W m² Previous Answers Request Answer ? X Incorrect; Try Again; 4 attempts remaining
Our sun's 5800 K surface temperature gives a peak wavelength in the middle of the visible spectrum. Part A What is the minimum surface temperature for a star whose emission peaks at some wavelength less than 400 nm− that is, in the ultraviolet?
Chapter 35, Problem 033 Your answer is partially correct. Try again. Three electromagnetic waves travel through a certain point P along an x axis. They are polarized parallel to a y axis, with the following variations in their amplitudes. Find their resultant at P. E1 = (3.0 x 10-5 v/m) sin[(2.0 × 1014 rad/s)t] E2 = (6.0 x 10-6 V/m) sin[(2.0 x 1014 rad/s)t + 45°] Ez = (6.0 x 10-6 V/m) sin[(2.0 × 1014 rad/s)t - 45°] E = µV/m ) sin[(l 2.00 x 1014 | rad/s )t + ° (degrees)
Problem 5. Assume that electromagnetic propagation through space is what we have been calling "free space." b) How long does it take to communicate with electromagnetic waves from Mars to Earth? Another way of asking this question is how long does it take for an electromagnetic signal originating on Mars to reach Earth? c) for two humans separated by 6 feet, how long does it take for the light reflected off of one person to be seen by the other person?
The maximum strength of the magnetic field of an EM wave is 3.3×10^−6 T. a. What is the maximum strength of the wave’s electric field? b. What is the average value of the E field? c. What is the average intensity of the EM wave? PLEASE SHOW ALL WORK!! Thank you!!
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. A linear polarizing filter,…
He-Ne (Helium-Neon) lasers are often used in physics demonstrations. Mine is labelled as about 5 mW and 650 nm. Let's approximate that the light is spread over a cylindrical beam about 1 mm in diameter. a. What's the intensity of the beam (approximately)? b. What are the maximum electric and magnetic field values? What are the average values? Explain briefly why those are different. c. What's the average energy density of the beam? d. What's the frequency of the EM wave?
1. A cylindrical region of space has a magnetic field given by a magnetic field given by: Scos(wt)î 0 R where y, B, and w are constants. Take r = 0 to be the central axis of the cylindrical region of space. 1. What is the magnitude of the induced electric field (as a function of time) in the region r R?