Discovering Cells Directions: answer the following questions using complete sentences. Use pages 6C-13C of your textbook. 1. What are cells? 2. When was the first microscope invented? 3. What is a microscope? 4. What is the difference between a simple and compound microscope? 5. Who was one of the first people to observe cells? 6. What did Anton van Leeuwenhoek discover? 7. A Scanning Tunneling Microscope (STM)
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The "XxXX" formula You have probably noticed a recurrent formula in binocular jargon‚ a formula such as 8x35 or 10x60. This refers to the concrete optical capabilities of the instrument. The number before the "x" represents the magnification power‚ while the number after the letter represents the aperture (or diameter) of the objective lens in millimeters. So a 8x35 binocular‚ for example‚ features a 35 mm lens and can make objects appear eight times closer to you. A 10x50 lens brings things 10
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Exercise 1: Microscopy Nour Bairekdar Prof. Mary Flannery September 9‚ 2013 Learning parts and proper use of microscope‚ and the interception of images viewed through a light microscope Abstract: A compound light microscope uses two sets of lenses‚ ocular and objective‚ and employs light as its source of illumination. Through careful observation‚ we identified the various parts of a light microscope we found that the light microscope Ocular lenses which give 10x magnification
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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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Experiment 9- Thin Lenses Introduction Experiment 9 introduced us to the concept of thin lenses. We were asked to determine the focal lengths of two converging lenses and one diverging lens. The following equations were used to calculate the focal lengths: 1/p + 1/q = 1/f where p is equal to the distance of the object from the lens and q is equal to the image length from the lens‚ and f is the focal point and 1/converging F+ 1/diverging F = 1/combined. The focal point is positive for converging
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Chapter 5: Lines Types of Line: can create value in drawing Analytic AKA: descriptive or classical Like contour lines‚ describe edges of objects in space or simply divide space Expressive Don’t describe any actual objects but are records of movement of the artists’ brush highly personalized Implied Line (2 types) * “Function of Line of Sight” – lines that are not drawn but are suggested by movement or poses within a painting * Broken section in a drawing where the eye will complete
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Student Name Motunrade obasun Course Human Biology Date 04-11-2014 Introduction to the Microscope: Lab Report From Exercise 1: 1. Draw what you see on the ‘e’ slide at 160 xs in the space below. Snaps will be submitted separately. 2. Describe the relationship between what you see through the eyepiece and what you see on the stage. On the stage it was not visible enough rather it looks too small‚ while in microscope it appears black and grainy. 3. Draw the image you see of the ‘e’ slide at 200x
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CBSE Previous Years’ Questions 1. What is the focal length of a plane mirror? (Year: 2001) 2. Prove that‚ for a concave mirror‚ the radius of curvature is twice the focal length? (1996) 3. Prove the mirror formula for reflection of light from a concave mirror. (1992) 4. Draw a ray diagram to show the formation of image of an object placed between the pole and centre of curvature of a concave mirror. (1995) s 5. Establish the relationship between object distance‚ image distance and radius of curvature
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|Compound Microscope Parts | |[pic] | |A high power or compound microscope achieves higher levels of magnification than a stereo or low power microscope. It is used to view smaller | |specimens such as cell structures which cannot be seen at lower
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The Smart Beacon Phase 2 Project Report 2014 Miss Nokwanda P. Fakude UKZN-School of Engineering 10/14/2014 AbstractThis document serves a complete paper design report of a Smart Beacon Project . This project researches as well implements a small Bluetooth enabled frequency generating transmitter which then uses the android application as a receiver. Details on the actual design are entailed in the context of this document. This document contains two main sections of the paper design
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