telescope to observe the sky and planets like Galileo but did it to further study the field of optics. Our reflecting telescope is similar to Newton’s that he made in 1668. Both ours and Newton’s consisted of a flat mirror‚ a spherical mirror and a convex lens. Our telescope also suffered from the repercussions of spherical aberration. Below is a drawing of the concept of our telescope and Newton’s telescope: Drawing 1 Isaac Newton (1642-1727) Isaac Newton‚ often referred to as Sir Isaac Newton
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Class 10th Science Syllabus COURSE STRUCTURE CLASS X First Term: Marks: 90 Units Marks I. Chemical Substances: 33 II. World of living : 21 III. Effects of Current : 29 IV Natural Resources : 07 Total :90 Theme: Materials (30 Periods) Unit: Chemical Substances - Nature and Behavior Chemical reactions: Chemical Equation‚ Balanced chemical equation‚ implications of a balanced chemical equation‚ types of chemical reactions: Combinations‚ decomposition
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microscope focuses light on a tiny bright spot of the specimen‚ the microscope accumulates light from the well-illuminated specimen in the stage of the microscope. The small objective lens then brings the image of the object into focus within the microscope’s tube‚ and is then magnified by a second lens‚ called an ocular lens or the eyepiece. The specimen in an optical microscope can be rather thick. In contrast‚ unlike the light microscope‚ the electron microscope visualises objects using a thin beam
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person do not help the society to develop but rather takes it steps backward focusing on the negativity around. B. Covering the real image and real facts about people by focusing on criticism and mindless humor. C. Bassem’s show came as a magnifying lens to reveal both negative and positive aspects about the government and people in authority. 1. Leila Fadel in her article "Egypt’s Jon Stewart Says He Won’t Back down amid Charges" says that Indeed‚ it is a gloomy time in Egypt. The political transition
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Practical 4 Title: To study the magnification of a real image by a convex lens. Objective: To determine the focal length of a convex lens. Apparatus and Materials: 1. Light box 2. Convex lens 3. Plasticine 4. Meter rule 5. Screen 6. Short transparent ruler Setup: 1. Set up the apparatus as shown in Figure 4-1. Figure 4-1 Theory: From the lens equation: Where: p = object distance q = image distance Linear magnification‚ Procedure: 1. The apparatus
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may concern them‚ and that legal proceedings should be necessary in most instances. * The welfare of children should be promoted by partnership between the family and the Local Authority. * Children should not be removed from their family‚ or contact terminated‚ unless it is absolutely necessary to do so. * The child’s needs arising from race‚ culture‚ religion and language must be taken into account. http://www.devon.gov.uk- online 03-02-2012 The Children’s Act 1989 is a law that relates to
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• Total Magnification- is controlled by duplicating the eyepiece power by the target focal point set up. This is usually in 10x mag. 3. Define Resolution. • Resolution- is the briefest separation between two separate focuses in a magnifying lens’ field of perspective that can in any case be recognized as unmistakable substances. 4. What is the function of the diaphragm on the microscope? • The diaphragm reduces the light from under the stage which can improve the image and it controls
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The Microscope Lab Brandy Talley PRCC Biology Lab Online June 13‚ 2013 Purpose: The purpose of this lab is to learn about different types of microscopes that we use today‚ learn the parts of the microscope‚ and how to properly use a microscope by exploring various slides. Materials: *Microscope *Letter “e” slide *Onion root slide *Bacterial capsule slide *Cheek smear slide Lab Notes: 1.What is the difference between a compound
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Telescopes Hans Lippershey (1570 - September 1619) was a Dutch lens maker. Lippershey is believed to be the first to apply for a patent for his design‚ a few weeks before Jacob Metius (a Dutch instrument maker and optician)‚ and making it available for general use in 1608. The telescope invented by Lippershey was composed of a convex and a concave lens‚ as this construction did not invert the image and had only a magnification of just 3x. Galileo’s telescope improved the original Dutch telescopes
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convex lens‚ by using the lens equation: 1/f=1/u+1/v * Independent variables: * Screen * lens * Dependent variables: * distance between the source of light and the lens “V” which is “X” value * distance between lens and the screen “ Y value” * Controlled variables: * ruler * screen size * source of light * Hypothesis: When the lens is displaced further away from the light “image” source the focal point is going to get smaller‚ and when the lens is approached
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