Lab 25 Polarized Light

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Week 25

Lab Report                                                                Name: ____________________

 

                                                                                                Section: ___________________

 

 

Polarized Light

 

 

Part 2 - Crossed Polarizers – Quantitative:

 

DATA TABLE:

Degrees

Resistance

Light intensity (1/R)

0

 

 

15

 

 

30

 

 

45

 

 

60

 

 

75

 

 

90

 

 

105

 

 

120

 

 

135

 

 

150

 

 

165

 

 

180

 

 

195

 

 

210

 

 

225

 

 

240

 

 

255

 

 

270

 

 

285

 

 

300

 

 

315

 

 

330

 

 

345

 

 

360

 

 

 

 

 

 

 

 

Graph light intensity, 1/R vs. angle between polarization axes. Note that the light intensity indicator 1/R is an arbitrary unit. If we had a true light intensity meter our light intensity units would be in “lux”.

 

 

Question:

 

If you buy polarizing sunglasses how can you be sure they are truly polarized? 

  • 6 years ago
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