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Author Question: The following are positioned in sequence: A source of a beam of natural light of intensity I0; three ... (Read 78 times)

Awilson837

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on: Jul 29, 2018
The following are positioned in sequence: A source of a beam of natural light of intensity I0; three ideal polarizers A, B, and C; and an observer. Polarizer axis angles are measured clockwise from the vertical, from the perspective of the observer.
 
  The axis angle of polarizer A is set at 0 (vertical), and the axis angle of polarizer C is set at 50. Polarizer B is set so that the beam intensity is zero at the observer. Which of the following pairs of angles are possible axis angle settings of polarizer B?
  A) 90 and 130
  B) 90 and 140
  C) 40 and 130
  D) 40 and 90
  E) 40 and 140

Question 2

Which one of the following lists gives the correct order of the electromagnetic waves from longer wavelength to shorter wavelength?
 
  A) radio waves, infrared, microwaves, ultraviolet, visible, x-rays, gamma rays
  B) radio waves, ultraviolet, x-rays, microwaves, infrared, visible, gamma rays
  C) radio waves, microwaves, visible, x-rays, infrared, ultraviolet, gamma rays
  D) radio waves, microwaves, infrared, visible, ultraviolet, x-rays, gamma rays
  E) radio waves, infrared, x-rays, microwaves, ultraviolet, visible, gamma rays
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rekilledagain

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Awilson837

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Reply 2 on: Jul 29, 2018
:D TYSM

jomama

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Reply 3 on: Yesterday
Gracias!

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