wavelength of light. Because the velocity of light in air is always greater than that through a liquid‚ the refractive index is a number greater than 1; for example‚ hexane n20D 1.3751. The superscript 20 indicates that the measurement was made at 20 oC‚ and the subscript D refers to the yellow D-line of a sodium vapor lamp‚ light with a wavelength of 589 nm. The measurement is made with a refractometer using a few drops of liquid. Compensation is made within the instrument for the fact that white
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Prism and to determine the angle of minimum deviation. To find out the refractive index of various liquids using a Hollow Prism. INTRODUCTION: This project is of Investigatory Type. In this project‚ a hollow prism has been used to calculate the refractive index of various liquids. The hollow prism is filled with liquid and then the experiment
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Objective The objective of this experiment is to understand reflection and refraction and how they vary with different matters. At the end of this experiment‚ you will be able to: Determine index of refraction of various solutions Recognize the passage of refracted beams though different medium Understand the concept of Snell’s Law Understand how the speed of electromagnetic waves in different matters are related Determine the critical angle for total internal reflection Materials 550
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university of ibADAN DEPARTMENT OF PETROLEUM ENGINEERING DETERMINATION OF REFRACTIVE INDEX OF CRUDE OIL TPE 527 PETROLEUM ENGINEERING LAB. 111 NUESIRI ESEOGHENE ANITA 151419 11/21/2014 LABORATORY REPORT SUBMITTED TO DR.S.O ISEHUNWA Department of Petroleum Engineering‚ Faculty of Technology‚ University of Ibadan‚ Ibadan. 20th November‚ 2014 The head of department
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affect the Refractive Index? The aim of this experiment is to investigate the relationship between the refractive index and the wavelength. We will be testing 5 different wavelengths: 630nm (red)‚ 570nm (yellow)‚ 532nm (green)‚ 445nm (blue) and 405nm (violet). Figure 1 Figure 1 What is the refractive index? The refractive index is the measurement of how hard it is for light to pass through a certain substance‚ thus affecting the speed of light. By knowing the refractive index of a substance
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To What Extent does the Sugar Concentration of Water Affects Its Refractive Index? 1. Introduction 1.1 Background Why do object when placed in a bucket of water bend? This is not magic but it is a property of light known as refraction. The bending of light when it travels from one medium to another is known as refraction. Different mediums have different densities and density is defined as the amount of mass per unit volume. The higher the density‚ the higher is the
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Comparative Study of the Concentration Dependence of Different Softdrinks Using Refractive Index ____________________________ A Research Presented to the Faculty of Holy Trinity College‚ Puerto Princesa City ______________________________ In Partial Fulfillment of the Requirements For the Subject Physics I ______________________________ By: Abadilla‚ Abraham F. Canon‚ Gaea A. Cuadra‚ Cristy Marie O. Faigao‚ Anna Margarita O. Magay‚ Mary Stephanie T. Mestidio‚ Teresa P.
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To find Refractive Indices of Water And Turpentine Oil using a plane mirror‚ a equiconvex lens (made from a glass of known refractive index) and an adjustable object needle APPARATUS: A convex lens‚ an optical needle‚ a plane mirror‚ a clamp stand‚ a spherometer‚ a plumb line‚ metre scale‚ water and turpentine oil Theroy : Let’s add small amount of water on a flat‚ plane surface and place a convex lens over it. This forms a plano-concave lens of water between the lower surface of convex lens and
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The refractive index Aim: The aim of this experiment is to find the refractive index of a glass prism. In this experiment‚ the independent variable is the angle of incidence‚ and the dependent variable is the angle of refraction. Theory: Snell’s law relates the angle of incidence and refraction to the ratio of the velocity of the wave in the different media. The formula for Snell’s law is the following: Sin isinr = v1v2 = n Where i is the angle of incidence‚ r is the angle of refraction
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Refractive Index of Perspex Aim: the aim of this experiment is to find the refractive index of Perspex. Tools: Pencil Graph Paper Perspex glass Pin Procedures: 1. 2. 3. 4. 5. 6. Ruler Styrofoam Paper Place an A4 paper over the Styrofoam‚ then Place the Perspex glass on the middle of the A4 paper and mark its place. Place a pin about away from the side of the Perspex glass‚ Draw six points about 10 degrees away from each other as labeled from 1-6 on
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