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MicrobiologyLab1

Questions about "Care and use of the microscope"

QuestionAnswer
If a lens is in sharp focus on a specimen and an adjacent lens is swung into position with need for only minor adjustment in the focus, the lens is said to be _______. parfocal
When a lens in rotated to a higher power, the diameter of the field your eye sees when looking through the microscope is (larger/smaller/the same), but the actual size of the specimen as measured on the slide is (larger/smaller/the same). smaller, the same
Total magnification of a lens system is calculated by ________ the magnification of each lens in the system. multiplying
The microscope should be stored with the ________ ________ lens in the down position. lowest power
The resolving power of a lens depends directly on the ________ of light used. wavelength
The distance between the specimen and the objective when it is in focus is called the ________ ________. working distance
Numerical aperture is directly related to the ________ of ________ of the glass in a lens. index (of) refraction
A lens with pH inscribed on the side would be found on a ________ ________ microscope. phase contrast
If the total magnification with a 45X high-power objective is 25X, what would be the magnification of the ocular? 5X
The resolution of a microscope is increased by: Using a shorter wavelength of light.
Created by: NeuroHeart