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What is/are the characteristics of an ideal microscope?
I. Low f-number.
II. High f-number.
III. Short wavelength of "light" used
IV. Long wavelength of "light" used
A. I only.
B. II only.
C. III only.
D. Both I and III.
E. Both II and IV.
Step by step
Solved in 2 steps
- what is bibulous paper used for? a. bleaching the benchtop b. cleaning microscope lenses. c. creating white flags of surrender d. drying slides.Cite the advantages and disadvantages of the two compared microscopesa. Bright-Field vs Dark-Field Microscopeb. Phase-contrast vs Fluorescence Microscopec. TEM vs SEMThe resolving power of the microscope reveals: a. Whether or not oil is needed to see a microorganism. b. The maximum magnification possible with a particular objective. closely spaced objects to be seen clearly. c. Two closely spaced objects to be seen clearly. d. The magnification capacity of the microscope E.the amount of clearance between slide and objective lens.
- a. Do you open both eyes or close one eye when viewing a specimen under a microscope? Why? Why not? b. In using a compound microscope, do you start with the low power objective (LPO) or the high power objective (HPO)? Why or Why not? c. When using 60X, do you it together with the coarse adjustment knob or fine adjustment knob? d. Why must you slowly turn the fine adjustment knob? e. Is natural light or is artificial light used when using the microscope?a. How was the specimen prepared for the microscopy technique applied? (for e.g. stained with H&E stain, Gram stain, unstained) b. What is the microscopy technique and magnification used to obtain this image? c. What is the basic principle of image formation using this microscopy technique? d. What can be observed and concluded from the image of the specimen? e. Are there any potential aberrations present in this specimen image? Describe these and how they may affect interpretation of the result.You are trying to look at a specimen with a compound microscope using the 4x objective, but it is very dark. Mention three parts of the microscope you could adjust that would help see your specimen in this darkness. Explain how you would adjust those parts.
- The resolving power of a microscope is a function of a. the magnifying power of the lenses. b. the numerical aperture of the lenses. c. the wavelength of light. d. Both (a) and (b) are correct. e. Both (b) and (c) are correctWhat part of the microscope adjusts the magnification of the microscope? Group of answer choices A. objective lens B. on/off switch C. iris D. course adjustmentThe girl is focusing a slide and she is turning the coarse adjustment knob up toward the slide. A. What has happened to the slide? B. Is this the proper way to focus? C. Should you focus by turning the coarse adjustment up or down? D. What happens to a microscope if place at the edge? E. What should you do to present this from happening?
- Which of the following statements are true in the context of the microscope's field of view? I. It is the observable area within a circular space as defined by the lenses II. FOV is the smallest on the lowest power objective III. FOV is the maximum area visible through the microscope eyepiece IV. When you switch to a higher power, the field of zooms out towards the centerA lab revolving around compound microscopes was conducted. Please answer the following questions (questions 1, 2, and 3). If a specimen (placed on a slide) has little or no color, what level of light intensity should you use; should the intenisty of the light be high or low (choose)? Which objective should be in position before you start to focus the microscope? Which focus knob should you use first with this objective?Which microscopy technique is BEST at determining the presence of physical microbial interaction(s)? a Light microscopy. b Scanning or transmission electron microscopy. c Fluorescent microscopy. d Phase contrast microscopy.