The instrument that produces a bright image of the specimen against a dark background is called a (n) __________ microscope.

The instrument that produces a bright image of the specimen against a dark background is called a (n) __________ microscope.

The instrument that produces a bright image of the specimen against a dark background is called a (n) __________ microscope. 








A. phase-contrast
B. electron
C. bright-field
D. dark-field













Answer: D