What does moving the coarse focus and fine focus do? Why is it important to remember the difference between coarse and fine focus? 2. What is the resolution of a microscope? How is resolution affected by adjusting the light, coarse and fine focus?
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1. What does moving the coarse focus and fine focus do? Why is it important to remember the difference between coarse and fine focus?
2. What is the resolution of a microscope? How is resolution affected by
adjusting the light, coarse and fine focus?
please answer on ur own words, do not copy from google or i will downvote
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- 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 center1. You're using a microscope with 10x magnification ocular lenses and a 25x magnification objective lens. What is the microscope's overall magnification at this setting? 2. Is it correct that immersion oil improves image magnification and resolution?1. In microscopy, what could be the possible reason why we cannot completely resolve the specimen under the Oil Immersion Objective (OIO) when, in fact, it was taught that the OIO has a resolving poewer? 2. When using the OIO, we can only focus on one group or parts at a time. (that is, the other parts are blurred) Whys is it so?
- What 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 adjustment1. What are the different hoods in the lab and why are they important? 2. How does the light compound microscope magnify an object? Outline the process.Shown below are several micrographs (images from microscopes) that were taken using different microscopy techniques. Write down what method of microscopy was used and why you thought so. Choices for microscopy techniques are: Transmitted Light Microscopy (techniques of brightfield, phase-contrast, darkfield, DIC all fall under this), Fluorescence Microscopy, Scanning Electron Microscopy, and Transmission Electron Microscopy.
- 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?As with standard phase contrast microscopy,differential-interference contrast microscopy depends on differences in the ___________________ of a speciment to create high-contrast images. a. refractive index b. light absorption c. natural fluorescence d. walls and coverings e. natural pigmentationWhat’s the aim of using a microscope for examining? What can the kohler illumination technique tell us? What are the sources of error that can impact the data ?
- 1. The resolving power of a microscope is a function ofa. 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 correct.When trying to focus an object on the microscope, you always begin with the ________________ objective lens and use __________________ adjustment knob to bring the object in focus. Once object is focused, high power objective lens can be used to magnify the object, and only use the ___________________ adjustment knob to focus at this point. a scanning; coarse; fine b low power; coarse; fine c low power; fine; coarse d scanning, fine; coarse1. Differentiate the compound light microscope from the dissecting microscope in terms of: *image produced *magnification *type of specimen examined 2. Write down the principles of the following: *electron microscopy *scanning tunneling microscopy *atomic force microscopy