Microscopy Questions

Microscopy Questions - 1. Which part of a microscope is...

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Page 1 1. Which part of a microscope is responsible for gathering diffuse rays from the microscope light source and illuminating the specimen with a small cone of bright light? A) condenser lens B) objective lens C) ocular lens D) iris E) focusing knob 2. A(n) _________ is responsible for collecting light rays previously focused on the specimen. A) condenser lens B) objective lens C) ocular lens D) iris E) focusing knob 3. Which part of a microscope uses the real image formed by the objective lens in the column of the microscope and forms from it an enlarged, virtual image? A) condenser lens B) the numerical aperture C) ocular lens D) iris E) focusing knob 4. The magnification of a microscope is equal to __________. A) the product of magnification produced individually by the ocular and the N. A. B) the product of magnification produced individually by the ocular and objective lenses C) the magnification power of the objective lens divided by the N. A. D) the magnification power of the ocular lens divided by the N. A. E) the magnification power of the objective lens divided by that of the ocular lens. 5. What is defined as the ability to see two neighboring points in a field as distinct entities?
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Page 2 6. For an objective lens designed for use in air, what is the largest theoretically possible numerical aperture? A) 0.5 B) 0.25 C) 1.0 D) 1.5 E) 2.0 7. What is the maximum useful magnification of a microscope if its objective lens has a numerical aperture of 0.9? A) 500 ~ 1000
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This note was uploaded on 11/21/2011 for the course PCB 3134 taught by Professor Multiple during the Fall '08 term at University of Florida.

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Microscopy Questions - 1. Which part of a microscope is...

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