02 Pre-Lab - microscope is equal to the magnifcation oF the...

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markowitz (am45362) – 02a pre la – huq – (47985) 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 1.0 points When is it acceptable to Focus using the course Focus knob? 1. Only when the 4X objective is in align- ment. 2. Only when the 40X objective is in align- ment. 3. Only when the 4X objective is not aligned. 4. When any objective is in alignment. 5. When there is no objective in alignment. 002 1.0 points Khler Illumination is used For what purpose? 1. To provide optimal illumination across the feld 2. To increase illumination across the feld 3. To decrease contrast, thereFore allowing better Focus 4. To Focus the light to the smallest point on the specimen 5. To increase magnifcation 003 1.0 points The total magnifcation through a compound
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Unformatted text preview: microscope is equal to the magnifcation oF the t imesthemagnificationofthe . 1. ocular condenser 2. objective tube 3. None oF these answers 4. ocular objective 5. eyepiece ocular 004 1.0 points In light microscopy an ocular reticle is used to: 1. All oF these answers 2. Determine the resolving power oF a mi-croscope. 3. Stain a specimen to increase contrast. 4. Determine the magnifcation oF a micro-scope. 5. Measure the relative size oF an object. 005 1.0 points pBased on the defnition (as presented in the previous slide and the lab manual) oF a reticle unit, how many reticle units long is this specimen in microscopic view?/p 1. 10 r.u. 2. 2.2 r.u. 3. 22 r.u. 4. Cannot be determined. 5. Depends on the magnifcation....
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This note was uploaded on 09/19/2011 for the course BIO 205L taught by Professor Hanson during the Fall '07 term at University of Texas at Austin.

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