The microscope is considered one of the most useful and important scientific inventions known to ’man’. The microscope was invented by Anton van Leeuwenhoek during the seventeenth century. Leeuwenhoek was not a scientist by profession. Initally he made a living selling clothes and buttons‚ but spent his spare time grinding lenses and constructing microscopes of remarkable quality‚ such as the light microscope. The light microscope could magnify cells‚ for instance in plants so you could see a clearer
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Parts 1- Eyepiece- The part of the instrument into which the user looks 2- Chrome knurled sleeve— used to rotate the Reticle to orient prism base. 3- Prism axis scale — Used for orientation of prism axis. 4- P.C.D knob— Used to read prism amounts greater than five prism diopters. 5- Prism diopter power scale-which is a dial on the side that lets you check to see what power the lens is. 6- Len stop-Aperture against which the lens rests. 7- Cylinder axis wheel 8- Filter
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Ph Lab Report Bryon Kim 123013 B(2) Biology Background information/Research PH paper (litmus paper) determines how acidic or how basic a substance is. The paper changes color accordingly to color code on the pH scale. The pH scale starts from 0 to 14. The lower the number the more acidic it is. Zero is the most acidic‚ and 14 is the most basic while 7 is the neutral number for example water. Examples of an acid is lemon juice or multi purpose cleaner. Examples of a basic substance is shampoo or liquid soap
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1 Most news readers present newsgroup articles in: (A)threads (B)mail (C)column (D)None of the above 2 Fiber optics have the advantage of _____. (A)being cheaper to install (B)being easier to install than twisted wire (C)having no interference (D)using direct line-of-sight 3 We can set up the margin for (A)Headers (B)Footers (C)Both a and b above (D)None of the above 4 Windows distinguishes between the different drives by means of a naming convention. Each drive is designated by a
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Two of the most important sensory systems in human body are optical system and auditory system. Optical system or sometime called visual system involved in the process of taken amount of stimuli and transfer it into some figure that we can perceive as images that make senses. Auditory systems involved in sound wave that transduced by drum ear into some kind of vibration that eventually gets converted back into wave what we perceive as noise. There are a lot of similarities in their mechanisms of
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[pic] TERM PAPER- FIBER TO THE HOME PRESENT TO ASST.PROF. DANUVASIN CHAROEN‚ PH.D. BY |1 |MS.PATTARAPORN |KIRKAIKUL |ID 5510221004 | |2 |MS.PANUMAS |VACHARAKORNYOTHIN |ID 5510221026 | |3 |MS.SUPAK |SOPON |ID 5510221027
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Speed of a Computer Patrick Reagan Computers and Information Processing/CIS319 David Avery Jr. December 14‚ 2008 Speed of a Computer Computers have evolved dramatically over the last 70 years. The size may be one of the main changes. The first computers were the size of a classroom. Today a computer can fit in an adult hand. Another change is the speed in which the computer operates or processes information. The computer user in today’s market wants information
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What are some advantages and disadvantages of a light microscope and electron microscope? Some of the disadvantages of the light microscope include‚ that since it send light‚ the light waves are diffracted as they pass through the matter. Because of this‚ light microscopes can only produce clear images of objects to a magnification of about 1000 times. Another problem is that since most living cells are nearly transparent‚ you can’t see them. So you have to use dyes to stain them. The advantage
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Name: Alicia Rose Date: 08/28/2014 Graded Assignment Lab Report Answer the questions below. When you are finished‚ submit this assignment to your teacher by the due date for full credit. (3 points) Score 1. How do you calculate magnification on a microscope? Answer: The shortest lens is the scanning objective; you use it to locate the object on the slide. The medium-length lens is the low-power objective. The longest lens is the high-power objective. Multiplying the power of the eyepiece
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Microscope Practice Quiz /LE Lab Instructor: Mr. Buckley Name _______________________ Choose the answer which best completes the following statement or answers the following question. Base your answers to questions 1 through 5 on the diagram of a microscope below and on your knowledge of biology. Place the letter(s) corresponding to your answer in the appropriate blank on your student answer sheet. 1. Which part of the microscope would you adjust to regulate the amount of light reaching
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