How Does a Phase-Contract Microscope Setup Make Transparent Objects More

question 50

Multiple Choice

How does a phase-contract microscope setup make transparent objects more visible?

• A)It uses brighter bulbs than conventional light microscopes.
• B)It generates a negative image so that the background is dark and the specimen is light.
• C)It generates stereo images that can be viewed only with polarized filters.
• D)It causes direct and refracted light rays to interfere with one another.
• E)It operates at a lower temperature to reduce random specimen movement.

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