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4 Cards in this Set
- Front
- Back
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Phase-contrast-
when appropriate to use? |
When orgs. do not absorb, reflect, refract or diffract enough lights to contrast with surrounding environment.
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phase change is observed in the specimen as?
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a difference in light intensity
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what does term "phase" mean?
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the timing of the light wavelengths
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what does the annular diaphragm do?
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produces a hollow cone of light
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