Lab 25 polarized light | Physics homework help

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? 

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