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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The main factor that leads to the damage of optic nerve is elevated pressure in the eye. The optic nerve is the main visual nerve of the eye. It transmits the images we see back to the brain for interpretation. The shape and tone of the eye is maintained by a pressure within the eye‚ which ranges between 8 mm and 22 mm of mercury. When this pressure is too low‚ the eye becomes softer‚ while an elevated pressure causes the eye to become harder. The optic nerve is the most susceptible part of the eye
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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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The first design was developed in 1821‚ where Augustin Fresnel applied the scientific knowledge of optics to develop the Fresnel lens that was tailored for lighthouse illumination. He designed it to have a bull’s-eye lens panel with different segments of rings. A single-square lens panel fabricated with 97 pieces of glass was laced up into the bulls-eye
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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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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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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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FREE OPTICS. Free space optics or FSO –Although it only recently and rather suddenly sprang in to public awareness‚ free space optics is not a new idea. It has roots that 90 back over 30 years-to the era before fiber optic cable became the preferred transport medium for high speed communication. FSO technology has been revived to offer high band width last mile connectivity for today’s converged network requirements. 101seminartopics.com FSO ! FREE SPACE OPTICS Free space optics or FSO
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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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MODERN TRENDS IN OPTICAL COMMUNICATION (FIBER OPTIC COMMUNICATION) CONTENTS ❖ Introduction ❖ Advantages of Fiber Optics ❖ Optical Transmitters ❖ The Optical Fiber ❖ Launching the Light ❖ Losses in Optical Fiber ❖ Optical Fiber Bandwidth ❖ Fiber Optic Cable Construction ❖ Other Types of Fibers ❖ Optical Receivers Introduction Our current "age of technology" is the result of many brilliant inventions and discoveries‚ but
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