log tables. 3. Draw labeled diagrams and graphs wherever necessary. 4. Candidates allotted electricity or electronic experiments must draw circuit diagrams and get them checked by the examiner before starting the experiment. 5. Candidates performing optics experiment must draw the ray diagrams and get them Checked by the examiner before starting the experiment. 6. Candidates will be required to perform two experiments in 3 hours. These two experiments should not be from same group. B. 1. 2. 3. 4. 5
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Physical Networking Unit 7 Assignments Exercise 1 – Fiber Optics Definitions 1. Crosstalk – The coupling or transfer of unwanted signals from one pair within a cable to another pair. 2. Waveguides – A structure that guides electromagnetic waves along their length. The core fiber in an optical-fiber cable is an optical waveguide. 3. FTTH – Fiber-to-the-home 4. Simplex – a. A link that can only carry a signal in one direction. b. A fiber-optic cable or cord carrying a single fiber. Simplex cordage
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Experiment 9: THE TANGENT GALVANOMETER; PURPOSE: In this experiment we will measure the magnitude of the horizontal component of the Earth’s Magnetic field by the use of an instrument called a tangent galvanometer. INTRODUCTION: A tangent galvanometer consists of a number of turns of copper wire wound on a hoop. At the center of the hoop a compass is mounted. When a direct current flows through the wires‚ a magnetic field is induced in the space surrounding the loops of
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light entry into the inner eye and brings objects into focus. Light then then passes through the lens which focuses the light on the retina (made of rods and cones). The retina turns light into nerve impulses and sends it to the brain through the optic nerve. 2. Explain static and dynamic equilibrium. 6 points static equilibrium - The special sense which interprets the position of the head when not moving‚ allowing the CNS to maintain stability and posture. These levels are detected by mechanoreceptors
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FREE SPACE OPTICS NEXT GENERATION COMMUNICATION PRESENTED BY V.LAXMANA VENKATA KUMAR 09PA1A04B6 ABSTRACT: FSO may sound new and experimental but in fact it predates optical fiber and has its roots in wartime efforts to develop secure communication systems that did not require
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Snapdragon S4 processor with 2GB RAM‚ 32GB internal memory offers you a 4.5-inch PureMotion HD+ Amoled display like HTC One and Galaxy S4 sporting a PureView 41 MP sensor with Optical Image Stabilization (OIS)‚ Backside-illuminated image sensor‚ 6 lens optics‚ High resolution zoom 3x‚ Autofocus‚ Xenon Flash and HD 1.2 Megapixel wide angle camera weighting 158 grams and 2000 mAh battery with Wireless Charging.(press.nokia.com) COLORS:- 1. Yellow 2. Black 3. White KEY FEATURES:- • Main camera sensor:
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Objective The objective of this experiment was to find the focal length of two converging lenses separately and also to find the focal length of combination of two converging lenses. Another objective was to study the image formed by a converging lens plus diverging lens. Background This experiment focused on a simple lens system. A simple lens is a piece of glassware that is spherical on one side and flat on another side‚ or spherical on both sides. There are two different types of lenses
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10/6/2012 Optical Refractor/Phoropter Introduction An optical refractor or a phoropter is an optical instrument with many adjustable lenses and settings that quickly determine the patient’s exact refractive error and prescribe the exact vision correction needed when people have trouble seeing (blurred vision). Eye doctors or optometrists rely on some questions and a phoropter to determine the condition their patient has. Firstly the optometrist asks the patient what objects
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to keep out stray light. The light is then reflected off a concave mirror composed of “ultra-low expansion glass” that is constantly kept at room temperature. The mirror was ground to have reflecting surfaces of the precise shape (“Hubble’s Amazing Optics”). The Hubble Space Telescope has a focal length of 189 feet (Elert). In 1993 the Hubble Telescope was surpassed by the Keck Observatory Telescopes located in Mauna Kea‚ Hawaii (Moseman). The twin telescopes both hold a 33-foot in diameter mirror
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Experiment 112-5 Thin Film Interference Introduction When two waves of equal intensity combine‚ the intensity of the resulting wave can be anywhere between zero and four times the intensity of the individual waves‚ depending upon the phase difference between them. When they are in phase (the maxima coincide with maxima and the minima coincide with minima)‚ maximum intensity results. When they are exactly out of phase (the maxima of one wave coincide with the minima of the other wave)‚ the
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