The listener can hear normal and abnormal respiratory‚ cardiac‚ pleural‚ arterial‚ venous‚ uterine‚ fetal‚ and intestinal sounds. Telescope To see far objects such as stars and planets. Besides that‚ it consists of two convex lenses ( eyepiece lens) Binoculars Provide stereoscopic vision of distant objects for seeing tiny object . A pair of identical telescope mounted side by beside in the same direction allowing the viewer to use both eyes when viewing distant objects. Ultrasound scanning
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There are three main designs of telescopes; refractors‚ reflectors‚ and a catadioptric. The refracting telescope is one of the most common telescopes. The refractor telescope captures an image through the lens and bends it. After it is bent‚ it is sent to the focal point and modified by the lens and viewed through the eye piece‚ (Telescopes‚ 2013). The refracting telescope is among one the most popular telescopes because the strengths of the telescope. This type of telescope is long lasting‚ useful
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shape and position of the two lenses in a compound light microscope. Light passes through the convex lens and is bent. The light continues on to the next lens and are bent again. The initial pass through the lens caused the light to intersect but the secondary pass of light through the second lens causes them to be parallel. The light from the top of the image is now seen in the second lens at the bottom and it will appear inverted. The color of the threads are cream color‚ red and blue. They
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Microbiology Kit (MBK) – Lab Report Observing Bacteria and Blood Questions: List the following parts 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
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Name: Angel Simon Pre–Lab Question Ocular lens 1. Label the following microscope using the components described within the Introduction. Experiment 1: Virtual Magnification Exercise Post-Lab Questions 1. At what magnification do you first notice the ragweed pollen? Answer: 1000 2. Which is bigger‚ a rhinovirus or E. Coli? Answer: E. Coli 3. Based on the magnification‚ how many of the E. Coli can fit into the same space as the
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look through at the top of the microscope. Typically‚ standard eyepieces have a magnifying power of 10x. Optional eyepieces of varying powers are available‚ typically from 5x-30x. * 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
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capable of bending when passing through an object‚ when it enters the lens‚ the light gets reversed and magnified through the prisms‚ and eventually enters your eyes. Our eyes are also binocular instruments. This means they take to images and bring them together to form a single‚ high quality image. Binoculars consist of two small telescopes mounted side by side‚ one for each eye‚ and a focusing mechanism. By having a lens system for each eye‚ these instruments provide three-dimensional viewing
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The telescope is an important astronomical tool that gathers and focuses electromagnetic radiation. Telescopes serve to both increase the angular size and the brightness of objects. When we speak about telescopes we are usually referring to optical telescopes‚ but many other types of telescopes also exist for other spectrum of electromagnetic radiation. It is unclear as to who it was that actually invented the telescope but Galileo Galilei is credited as being the first to use a telescope for
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Lori Stenbeck Bio K121 June 7‚ 2012 The Microscope Introduction: The purpose of a microscope is to see either enlarge images of small objects and or make seen what is invisible to the naked eye. We have two types of microscopes available in the lab. The dissecting microscope is designed to study objects in three dimensions at low magnification. The compound microscope is used for examining small or thinly sliced sections of objects under magnification that is higher than the dissecting microscope
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click switch views to look into microscope. When looking through the microscope adjust the ocular lens until the two circles of light emerge as one. Adjust the coarse focus down until specimen appears. Use the fine focus knob for clarity of the image‚ xy controls to get the area of interest into view‚ and the iris to control the brightness of the image. Once image is focused the objective lens may be changed and you can then begin to view the specimen within a higher power of magnification
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