the following orientations of the letter would the viewer see? b p q d Question 6 of 25 Which of the following procedures should be done just prior to adjusting the diopter‚ when using the compound microscope? Clean all lenses with lens paper Turn the light on Adjust the iris diaphragm Adjust the fine focus Question 7 of 25 Two parts of the microscope that regulate the amount of light visible through the ocular are the: fine and coarse adjustment knobs ocular and
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distance of its images‚ di ‚ and the focal length‚ f‚ of a spherical mirror. In symbols: + = LENSES One of the most useful and simplest optical devices we have. Types of Lenses: a. Concave Lens – The rays are diverged by the lens‚ thus calling it a diverging lens b. Convex Lens – are designed so that parallel rays cross
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Microscopy and the Metric System Margaret E. Vorndam‚ M.S. Version 42-0090-00-01 Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports
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false. If true‚ write a “T” on the answer line. If false‚ write a word or phrase in the blank to make the statement true. F | 1) The microscope lens may be cleaned with any soft tissue. | F | 2) The coarse adjustment knob maybe used in focusing with all objective lenses. | T | 3) When beginning to focus‚ the lowest power lens should be used. | T | 4) Resolution decreases as the amount wavelength of light increases. | F | 5) When focusing always focus toward
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Microscope Parts & Function Parts of the Microscope |[pic] |1. Eyepiece |Contains a magnifying lens that focuses | | | |the image from the objective into your | | | |eye. | |
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light to magnify the image (Figure ). They have a larger diameter lens called the objective lens and a small lens called an eyepiece. Good refracting telescopes utilize multiple lens systems to correct for color aberrations. Chapter discusses lenses in the section on “Stations for Sight”. Reflecting Telescopes Reflecting telescopes utilize one or more concave mirrors for the objective lens to condense the light and a small lens called an eyepiece. Pg3 Conclusion A telescope is an instrument
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Microscope | | 1. | Use various internet resources to write the term that matches each meaning below:Used as a handle to carry microscope = | | 2. | Lenses attached to the nosepiece | | 3. | Concentrates light on the object | | 4. | Lens you look through | | 5. | Platform on which slides are placed | | 6. | Rotates to change objectives | | 7. | The shortest objective | | 8. | The longest objective | | 9. | Control knob used for sharp focus | | 10. | Control
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resulting in an image that your naked eye would ordinarily see if looking at the slide. The image is then magnified by the lower (objective) lens. The objective lens flips the image and magnifies it by bending the light. The light is bent as it passes through the convex surface on either side of the lens material. The eyepiece acts as a weaker version of the objective lens by flipping the image again and magnifying it further. Compound microscopes are used most commonly to
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Lab 2: The Metric System and Microscope Name _________________________ Date __________________________ Section 1: The Metric System The Metric System is known as the International System of Measurement. The Metric System is based on Standard-prefixes that correspond to ‘multiples of 10’. The measurements of volume (the liter)‚ mass (the gram)‚ and length (the meter) are the baseline for all metric unit conversion factors. In the United States‚ the English System is more commonly used;
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air bubbles before the use of the slide. Set the microscope to its lowest power objective lens (x4) and make sure it is in line with the optical tube‚ also that the microscope light is turned on. After preparation of the slide and microscope‚ carefully place the slide onto the microscope stand. Looking from eye-level of the stand‚ lower the tube using the coarse focus know until the end of the objective lens is just about the slide (ensure you do this with care as to not break the slide). Look through
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