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13 Cards in this Set
- Front
- Back
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2Vx= |
sqaure root of alpha squared(gamma squared-beta squared) / beta squared (gamma squared-alpha squared) |
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gamma accessory plate HIGH vibration index // to high vibration index of accessory plate: |
SLOW on SLOW colours RISE CONSTRUCTIVE interference |
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gamma accessory plate LOW vibration index // to high vibration index of accessory plate: |
FAST on FAST colours FALL DESTRUCTIVE interference |
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Quartz wedge: isochromes move down-slope |
colours RISE ADD |
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Quartz wedge: isochromes move up-slope |
colours FALL SUBTRACT |
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Sign of elongation retardations subtract: |
LENGTH FAST |
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Sign of elongation retardations add: |
LENGTH SLOW |
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BIAXIAL INTERFERENCE FIGURES If you look down the z-axis you see: |
BXA |
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If you look down the x-axis you see: |
BXO |
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if you look down the y-axis you see: |
Flash |
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if you look down the optic axis you see: |
optic axis figure |
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if 2Vx> 90: |
x=bxa and has (-) optic sign |
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if 2Vx<90: |
z=bxa and has (+) optic sign |
