"Sample objective" Essays and Research Papers

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    The ocular micrometer has no units. 5. Objective lens The objective lens gathers light from the specimen‚ magnifies the image of the specimen‚ and projects the magnified image into the body tube. Since no single objective lens can fulfill all the needs of someone using the microscope‚ several objective lenses of varying magnifications and numerical aperture are mounted on the rotation nosepiece. The nosepiece must click into place for the objective lens to be in proper alignmrnt. You will

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    these devices help us to make our live easier. INTRODUCTION 2 OBJECTIVE 3 APPRECIATION 4 LIMITATIONS OF SIGHT 5 LIMITATIONS OF HEARING 6 DEVICES TO OVERCOME LIMITATIONS OF SIGHT 7 DEVICES TO OVERCOME LIMITATIONS OF HEARING 8 PHOTOS OF DEVICES – LIMITATIONS OF SIGHT 9 PHOTOS OF DEVICES – LIMITATION OF HEARING Humans have sight and hearing limitation. Without any devices‚ our sight and hearing was limited. the objective of learning about the limitation of sight and hearing: ● I have

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    Research Critique 1 Running head: RESEARCH CRITIQUE Research Critique of "The Influence of Personal Message with Music on Anxiety and Side Effects Associated with Chemotherapy" Jennifer Robey BSN Duke University N 307 Spring 2005 Research Critique 2 Research Critique of "The Influence of Personal Message with Music on Anxiety and Side Effects Associated with Chemotherapy" Introduction The introduction of this article does give you a sense of the importance of the problem

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    microscope is plugged in and placed on the lab bench in front of the user to the point at which the slide is being clamped onto the stage. One can assume that the microscope is set up such that the stage is in its lowest position and that the low power objective is locked into place. 2. a) State the steps one would follow to achieve an efficient and ‘quick’ focus of a prepared slide in which the letter ‘K’ has been mounted. Assume that

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    Eyepiece tube holds the eyepieces in place above the objective lens. Binocular microscope heads typically incorporate a diopter adjustment ring that allows for the possible inconsistencies of our eyesight in one or both eyes. The monocular (single eye usage) microscope does not need a diopter. Binocular microscopes also swivel (Interpupillary Adjustment) to allow for different distances between the eyes of different individuals. * Objective Lenses are the primary optical lenses on a microscope

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    with a lens cleaner solution and a lens paper due to possible minerals or deposits on the any soft tissue. | | 2) The coarse adjustment knob maybe used in focusing with all objective lenses.False. The coarse adjustment knob should be used during scanning objective lens (lowest power). When it comes to higher objective lenses‚ the fine-focus knob should mostly be used and

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    different objective lenses; allows the lenses to rotate for viewing. 6. Base - Supports the microscope. One hand is placed under this when carrying the microscope. 7. Eyepiece - Contains a lens that magnifies about 10X. You look through this. 8. Fine Adjustment Knob - Moves the stage or body tube for focusing with the high-power objective lens. Focuses for details. 9. Course Adjustment Knob - Moves the body tube or stage for focusing with the low-power objective lens. 10

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    between the ocular lens and the objective lens? Ocular lens is the lens you look through and objective lens is the lens that is close to the stage. 3. Where do you place the slide on the microscope? the stage under the stage clips 4. Which adjustment‚ course or fine‚ do you use when you are observing the highest power? Fine 5. What would the total magnification be if you are looking through the ocular and using each of the following objectives. Ocular |Objective|Total Magnification| 10x|4x|40x|

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    Lab 1 Microscope

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    of the microscope and describe the function of each A. Ocular Lens- the lens on the top of the microscope that look into with 10x or 15x power. B. Body Tube- Connects eye piece to the objective lens C. Revolving Nosepiece- holds two or more objectives lenses and can be rotated easily to change power D. Objective lenses- 4x‚ 10x‚ 40x‚ and 100x powers E. Stage- The flat plate where the slides are placed for observation F. Diaphragm- Generally a five hold disc placed under the stage. Used to vary the

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    micrometers Experiment 2: Virtual Microscope Post-Lab Questions 1. After completing the m1 exercise in the “Try this” section‚ how tall is the letter e? Answer: about 1.8micrometers 2. What is the highest objective lens you can use to see the entire letter e? Answer: 10x is the highest objective lens where you can see the entire letter e . 3. The nuclei (the structure inside a cell that contains DNA) of the cheek cells have been stained using a special dye so that they appear purple. What shape

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