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6H20.u1 - Polarization by Reflection Off Water

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​6H20.u1 - Polarization by Reflection Off Water

Preview
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Title6H20.u1 - Polarization by Reflection Off Water
Objective

Demonstrate polarization by reflection off water.​

StatusAvailable
Assembly Instructions

This demonstration is most easily done by mounting a projector on the large platform protractor on a cart as shown (do not set up on bench). The lamp is set at 37° from the horizontal to get polarized light off of the surface and a second lens is used to focus the light on the wall. If a polaroid is now rotated in the path one may show that the light is indeed polarized. The polaroid end cap for the projector works well for this. One may then proceed to change the angle and show that complete polarization takes place only at this angle.

Setup Time15
Operation Time
Preview Time5
Operation Instructions
ExportableNo
Demo on DimeNo
PIRA 200Yes
Export Instructions (if different)
HazardsNone
Analysis/Information
Category6 Optics
Subcategory6H - Polarization
Keywordspolarization from reflection, Brewster, brewster's angle
Construction Information
 
Equipment TitleUse SHIFT+ENTER to open the menu (new window).
  
QuantityUse SHIFT+ENTER to open the menu (new window).
  
mounted projector on angled platform
1
projector slit - large circular
1
pan - aluminum, 15" by 13"
1
water - from the tap
polarizer
1