The total magnification achieved when using a 100× oil immersion lens with 10× binocular eyepieces is a. 10×. b. 100×. c. 200×. d. 1000×. e. 2000×.
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The total magnification achieved when using a 100× oil immersion
lens with 10× binocular eyepieces is
a. 10×.
b. 100×.
c. 200×.
d. 1000×.
e. 2000×.
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- The most useful adjustment for increasing image contrast in lowpower magnification is a. closing down the diaphragm. b. closing one eye. c. opening up the diaphragm. d. placing a drop of oil on the slide. e. using a blue filter.Total Magnification is obtained by Select one: A. Magnifying power of both the objective lens and eyepiece B. Magnifying power of eyepiece C. Magnifying power of condenser lens D. Magnifying power of the objective lensMatch the objective lenses with permissible behaviors: For some rows you’ll list more than 1 objective lens Adjust focus using coarse adjustment knob Adjust focus using the fine adjustment knob Use oil to connect the slide to the lens Adjust the light using the condenser and/or iris diaphragm A. 4X B. 10X C. 40X D. 100X
- Before the oil immersion lens is rotated into place, you should a. center the object of interest in the preceding lens. b. lower the stage with use of the coarse focus adjustment knob. c. place a drop of oil on the slide. d. Both (a) and (c) are correct. e. All are correct.Identify all accurate statements: Using a neutral excitation filter can reduce photobleaching. However… A.This can reduce the fluorescence emitted. B.This only delays photobleaching if exposure to light is prolonged. C.This can introduce aberrations in the image. D.This may be toxic to the sample to be observed.Explain how total magnification is calculated. Select an answer. a. It is the magnification of the objective lens multiplied by the magnification of the condenser lens b. It is the magnification of the objective lens multiplied by the magnification of the ocular lens c. It is the magnification of the objective lens used d. It is the magnification of the ocular lens used
- Compute the total magnification. [Use 10x magnification for eyepiece]1. Scanning2. LPO3. HPO4. OIOAll other things being equal, the objective lens with the highest value for numerical aperture (N.A.) will always have the lowest______? A. Field Of View B. Magnification C. Image Quality D. Limit Of ResolutionAnswer the following questions: 1. Give the general steps in the use of a spectrophotometer. 2. Define the following: a. ) Optical Density b.) Transmittance c.) Beer's Law
- Which of the following results in green output in spectrophotometry experiment? a. Violet light b. Blue light c. Green light d. Yellow lightWhat is the diameter of the field of view (DFV) of a 1000x objective lens if the DFV of a 400x objective lens is 500 μ? Express your answer in mm.To obtain a 400X magnification image you may choose a 40X objective lens with a 10X projector lens, or a 20X objective lens with a 20X projector lens. What are the differences in their image quality?