Pre-Lab Discussion Laser Safety Lasers in the classes IIIa and IIIb are capable of causing damage to the eye when a laser in one of these classes is directly exposed to a person's eye, or in some cases, when reflecting off of a smooth surface. Goals: (1) Determine the point of divergence for a set of light rays (2) Measure and verify the law of reflection (3) Measure and verify the refraction of light Introduction. with the normal is called the angle of reflection (θ r), and the angle the refracted ray makes with the normal is called the angle of refraction (θ R). Stacy McGuire. PDF Reflection And Refraction Lab Report Pdf Download The values we got for the index refraction of plastic were 1.45 using Snells law. For an air-glass boundary we can set the index of refraction of air equal to one. refraction to a medium with lower index of refraction. Report on Laboratory Experiment "Reflection and Refraction of Light" Table 1: Reflection of light Angle of incidence, degrees 45 45 50 55 60 65 70 75 Angle of reflection, degrees 45 50/55/60/65 70 75/80 Table II: Refraction of light Angle of incidence, degrees 10 20 30 40 50 60 80 70 Angle of . Compared to the angle of incidence, the angle of refraction was smaller. This log will become your lab report. The purpose of this experiment was to test the validity of the Law of Reflection and Snell's Law (Also known as the Law of Refraction). The angle of refraction is the angle between the transmitted ray and the normal. the lab. In the first part of this lab, we will investigate the basic principles of ray optics, Snell's law and the Law of Reflection. Reflection Refraction Lab Report Reflection and Refraction Lab - 1364 Words | Studymode To do this, we needed to determine the index of refraction for different materials and to use the total internal reflection method. Whenever a light strikes the surface of some material at an angle, part of the wave is reflected and part is transmitted (or absorbed). n1 sin θ1 = n2 sin θ2. PDF ABORATORY ANUAL Lab 09: Reflection and Refraction - UCA Auxiliary Materials: The downloadable protractor listed at the above web page is provided to students for inclusion in the Data section of their lab notebook. Handle them by the edges. Lab 10 Reflection and Refraction - StuDocu Rotate the glass and make observations. PDF Lucite Refraction Lab - Revised No Lab Report (This procedure is a bit complex. The ratio of the sin of the sin of the angle of incidence to the sin of the angle of refraction is a constant. $9.50. The experiment consisted of two parts. Refraction Lab - 612 Words | Bartleby Use the light ray box with a single slit to send a ray of light on to the mirror. Refraction occurs when light enters a more or less optically dense medium, which therefore has a different refractive index (measure of the velocity light can travel at in the medium compared to in a vacuum in which it can travel at 2.9 x 108ms-1). The microscope used a combination of ocular and objective lenses that produce magnified images of the small objects. GOALS (1) To verify the law of reflection by measuring some incident and reflection angles off of a mirrored surface (2) To determine the relationship between the refraction of light and Snell's law. Reflection / refraction for water material not working : godot 2)The incident ray, the refracted ray and the normal to the surface, all lie in the sameplane. Also measure the lateral displacement. Tape a plain sheet of paper to the piece of cardboard supplied. N1 N2 Place a pencil (or straw) in a clear glass of water. Lab 10 - Reflection and Refraction - WebAssign Refraction - Summary - The Physics Hypertextbook Reflection, Refraction and Polarization Introduction Refraction When a ray of light strikes the surface of a piece of transparent material the beam is split—part of the beam is reflected from the surface, while the rest is transmitted into the material. The refractive index Aim: The aim of this experiment is to find the refractive index of a glass prism. A mirror was placed on top of the container so that the . For re ection, exper-iments will be done to determine if the angle of re ection is equal to the angle of incidence for a beam of light incident on a at surface. APPARATUS: Drawing board, sheet of paper, board pins, rectangular glass slab. CHAPTER 9. In this experiment, the relationship between the angle of reflection, the angle of refraction, and the angle of incidence was established. Optics Reflection And Refraction Lab Report Conclusion. Scoring Rubric: RM1. use a ruler, or some form of straight edge and include these sketches in your lab report as figures to which you can refer in your conclusion, as necessary. (Bend down so the glass is at eye level). Sorry. Unformatted text preview: CENTRE OF FOUNDATION STUDIES FOUNDATION PHYSICS II LABORATORY REPORT Experiment REFLECTION OF LIGHT Name NURAIN FARHANAH BINTI RIZMAN Student ID 2020495044 Class PI080S33 Lab instructor's name MISS PUTERI NOOR SAFURA BINTI MEGAT MAHMUD Date of experiment 2 FEBRUARY 2021 Marks Comment ABSTRACT The purpose of this experiment is to justify the law of reflection for a . Class IIIb Lasers Lab Report 658 Words | 3 Pages. Reflection is defined as the reversal in direction of a particle stream or wave upon encountering a boundary. The other variables were controlled as best as could be expected. Experiment 11 consisted of four . Address the points highlighted in blue. Snell's Law relates the indices of refraction of the two media to the. Reflection from a plane mirror For more conclusive results the experiment was done in a dark room. Materials Needed: pencil or straw, clear glass, water. Your goal in this investigation is to develop one or more rules that you can use to predict the behavior and path of the reflected Is there a frequency where the amplitude is at a maximum? PHYSICS LAB REPORT REFLECTION.docx - CENTRE OF FOUNDATION... Hypothesis. The objectives of this lab was to confirm the laws of reflection and refraction. THEORY: index of refraction for the perspex is 1.50. PDF Reflection and Refraction of Light - Bowling Green State University Due to refraction, the velocity of transmitted light is less than the velocity before it entered the medium. by. Place the last pin several centimeters from the curved side of the box, so that it appears to line up with the other 2 pins as you look through the liquid. Place the mirror on the solid line on Sheet 1 from the last page of the lab. DOC Lab 11: Geometric Optics - University of Michigan Week one Discussion question 2; ATI RN Comprehensive Predictor 2019 Form A B C zbh1u6 . Experiment A consisted of observing one's self in a mirror and determining the mathematical form of the Law of Reflection. PDF Experiment%11% Reflection,%Refraction,%Dispersion%% of%Light ... Reflection is defined as the reversal in direction of a particle stream or wave upon encountering a boundary. Lab Exercise 5: Reflection and Refraction. Lab 11 Reflection And Refraction Answer Key Discussion The light bends or refracts when light travels from one medium to another. Lab Exercise 5: Reflection and Refraction - Homework Minutes Support the mirror by fastening it to a wooden . Materials Ray Box with comb Semicircular plastic block Procedure Placed the semicircular plastic block on the centre of a blank sheet of paper. At the angle where the refracted rays disappear, and only reflection takes place at the inner face, stop rotating the trapezoid Step 2. 2. Observations are accurate. Pre-Lab Discussion Laser Safety Lasers in the classes IIIa and IIIb are capable of causing damage to the eye when a laser in one of these classes is directly exposed to a person's eye, or in some cases, when reflecting off of a smooth surface. This change in direction of the transmitted light is refraction Section te Student Name Report on Laboratory Experiment "Reflection and Refraction of Light" Table I: Reflection of light Angle of incidence, 45 50 degrees 70 75 80 Angle of degrees Table II: Refraction of light Angle of degrees Angle of 10 20 30 40 50 60 70 80 refraction, degrees . This is to say, we find the critical angle when the value of the incident theta is equal to 90° and thus sin(θi) is equal to 1. With this experiment we begin the study of light and its interaction with various optical components. side view top view When dealing with refraction, the angle of transmission is defined as the angle between the transmitted ray and the surface normal at that point. Refraction Action Lab Included, labeled and organized all parts of the lab report. 3. Move the pencil in a circular motion around the inside of the glass while viewing the motion from the side of the glass (as shown in the side view below and top view ). Rainbows are produced by a combination of refraction and reflection and involve the dispersion of sunlight into a continuous distribution of colors. The method used to achieve this was through the use of a glass block, source of light, and meter sticks. Equipment Glass plate Laser Optic bench Vernier caliper Angular translator Rotational stage Procedure Please print the worksheet for this lab. Open a Microsoft Word document to keep a log of your procedures, results and discussions. For total internal reflection, notice that the light strikes the curved side first, emerging on the flat side of the cylindrical lens. Rotate the trapezoid slowly and watch as the refracted rays get closer and closer to the outer surface of the trapezoid. The reference line that is used is called a normal. Slime Reflection Teaching Resources | Teachers Pay Teachers Since light has the maximum speed in vacuum, the index of refraction for any material is always greater than 1. These happens due to the density of two media. Reflection To Conclusion To A Lab Report - 1031 Words | Cram 18. REFRACTION THROUGH GLASS SLAB AIM: To trace the course of different rays of light through a rectangular glass slab at different angles of incidence, measure the angle of incidence, refraction and verify Snell`s law. In this experiment‚ the independent variable is the angle of incidence‚ and the dependent variable is the angle of refraction. INTRODUCTION. Physics of Water Waves Lab Report 123HelpMe. The law of reflection states that the angle of reflection . DISCUSSION As observed from the experiment, the angle of incidence was equal to the angle of reflection for the three cases. Draw the light rays as you did in the previous . Refraction is described mathematically by Snell's law . 13 Pages. If the index of refraction for water is n 1 = 1.3, will the critical angle for total internal reflection be greater than or smaller than the critical angle you recorded for glass? PDF Ripple Tank Experiment - tourismtreasures.tourismthailand.org n1 n2 =. 1. Margaret Wettergreen PHY 2049L 04/03/2014 Lab #11 - Dispersion from a Prism and Index of Refraction Purpose: The purpose of this lab was to study the dispersion spectrum from a prism and to measure the index of refraction of the prism. 2. Wave phenomena ripple tank experiments U of T Physics. Class IIIb Lasers Lab Report 658 Words | 3 Pages. Refraction occurs when light rays bend and change direction as they travel across the boundary into the second medium, causing a change in the light's velocity. 1. Reflection And Refraction Lab Report Pdf Download Author: www.sanmiguel-bohol.gov.ph Subject: Reflection And Refraction Lab Report Keywords: Reflection And Refraction Lab Report, pdf, free, download, book, ebook, books, ebooks Created Date: 6/8/2022 6:15:33 AM Physics questions and answers. Therefore, with the acquired results, it can be observed that the angle of refraction is smaller than the angle of incidence. Not actually a UFO. Looking for the origin of slow earthquakes in the Guerrero gap Interference in a Ripple Tank Optics For Kids. In this experiment, the. Solved Report on Laboratory Experiment "Reflection and | Chegg.com Lab Preparation When light travelling through air encounters a different material, part of the light energy is reflected back into the air and part of it is transmitted into the glass, Reflection and Refraction - Research Paper Example Experiment 9: Reflection, Refraction, and Total Internal Reflection Lab ... Procedure 2: Pencil in a Glass. Troposphere Refraction Lab 285 Words | 2 Pages. Analysis/Questions: 1. This is the measured resonance frequency. I decided to add water and of course made the material transparent and enabled reflection and refraction. The microscope is a very relevant optical tool which is used to observe and analyzed very small specimens.These specimens can be from animal, plants or human being oriented. For some reason though I can't see . Lab Report #3 - Kreeeestin Refraction of light is the bending of light as it passes from one medium to another (of different refractive index). Snell's Law Lab Report. PDF Reflection and Refraction Lab Reflection Refraction and Diffraction. . PDF Refraction Action Lab - Physics Classroom ection and refraction of light will be studied. Reflection and Refraction Lab Abstract: In this experiment, the concepts of reflection and refraction were investigated through numerous experiments; in each experiment, reflection or refraction was observed in multiple ways. Thus, the second law of reflection states C = speed of light in a vacuum The first law of reflection = % states that when the incident ray hit a smooth plane surface, creating an angle called the incidence angle, it where: n = index of refraction will lie on the same plane as the normal line and its v = velocity of the medium reflected ray. Given the value of k you measured in the first part of the experiment, calculate the expected value of the resonant frequency. Part 1: Reflection and Refraction. Reflection and Refraction - HyperPhysics Concepts Reflection & Discussion - Year 10 Science Investigation A well-organized series of 22 field-tested labs designed to be much more authentic for instruction than . In our case, water is the one which is more optically dense. Tape a piece of graph paper to the screen. refraction as enters that transparent medium. Solved Report on Laboratory Experiment "Reflection and | Chegg.com where. PDF Chapter4 Experiment2: Snell'sLawofRefraction (θi) against (θr) Discussion and Conclusions: The entire experimental results indicate that there is a correlation between the angle of incidence, the angle of refraction . Refractive index lab report Free Essays | Studymode This zip file includes the labs for "Mirror Mirror", "Slime Dance", "Pencil Bend", "Roy G Biv" and "Color Mash". PDF Reflection Refraction Dispersion Lab Report Reflection and Refraction Experiment. Mathematically stated: = Snell's Law of Refraction Two things happen when light reaches a boundary between two transparent mediums, reflection and refraction. Draw a line across the center of the paper and place the mirror along this line. n glass = sinθ air /sinθ glass . The independant variable in this experiment was the strength of the solutions (75% Salt 25% Water etc.). PDF Reflection Lab - Physics Classroom Using a ruler, find the centre of the flat side of a piece of Lucite. Experiment has shown (and will show again in this lab) that the angle of the reflected light is equal to the angle of the incident light . PDF Exp11.Reflection and Refraction - University of Missouri-St. Louis The amount of light reflected or refracted depends on the angle at which you are looking relative to the surface. and argument development and evaluation to double-blind peer review and report revision. The objective of this experiment is to study the path of light rays due to reflection and refraction at plane surfaces and to verify the Law of Reflection in a plane mirror and Snell's Law of Refraction. Report on Laboratory Experiment "Reflection and Refraction of Light" Table 1: Reflection of light Angle of incidence, degrees 45 45 50 55 60 65 70 75 Angle of reflection, degrees 45 50/55/60/65 70 75/80 Table II: Refraction of light Angle of incidence, degrees 10 20 30 40 50 60 80 70 Angle of . Conclusion/Discussion Dispersion is defined to . Use the information below to help guide you through writing your lab report. Reflection, Refraction, and Diffraction Lab - DocsLib in your lab report.) Physics questions and answers. The law of reflection states that the angle of incidence is equal to the angle of reflection, or, stated mathematically, Although this relation is simple, you must always be careful to find the correct normal line that intersects the point of incidence. Determine the path of the light before it strikes the mirror and after reflection from the mirror. In this experiment you will trace the path of a light ray through a block of glass and measure the index of refraction of the glass. The results proved what I hypothesised that the salt and vinegar . When light is shone off a spherical mirror, it will converge at a focal point. The incident ray, the normal and the refracted ray all lie on the same plane. Lab Report #3 - Geometrical Optics - Plum Blossom Reflection Lab Included, labeled and organized all parts of the lab report. Reflection and Refraction Lab Page 3 Seeing reflection and refraction at the same time Both refraction and reflection often occur when light hits a boundary between materials such as the boundary between glass and air. Lab 7 - University of Tennessee PDF Reflection Refraction - College of Liberal Arts and Sciences (Graph paper and tape are in the lab room.) Goals: (1) Determine the point of divergence for a set of light rays (2) Measure and verify the law of reflection (3) Measure and verify the refraction of light PDF Home Lab 5 Refraction of Light - Mrs. Roche's Physics I I The growth of the plants over time was the dependant variable (The dependant variable is the total growth). PDF Reflection and Refraction - UTSA Onheotherhand,allofushaveenjoyedthesunlightorthe convenience%ofan% PDF Lab Handout Lab 20. Reflection and Refraction - NSTA In this experiment, the angle of incidence was equal to the angle of reflection. Lab 11 - Dispersion from a Prism and Index of Refraction Refraction - Alanpedia In addition to carrying out the procedures, you need to write a formal lab report. . Science. Reflection of Light from a Mirror. Although this is easy for a flat surface (it is just the line that is perpendicular to the . The materials needed to perform the lab were a semi-circular disc filled with water, a protractor, a laser, and tape. Lab 11 Reflection And Refraction Answer Key Whenever a light strikes the surface of some material at an angle, . Physics Laboratory 10 - University of Tennessee of the Law of Reflection and Snell's Law (Also known as the Law of Refraction). Answer all questions. This is an . T he law of reflection states that the angle of incidence is equal to the angle of reflection and these angles and the normal lie on the same plane. divided by the speed of light in the medium. 10 The values of the angles 'I' and 'r' were tabulated and the values of sin i and sin r were calculated OBSERVATION / RESULTS: Angle of incidence, i 15⸰ 30⸰ 45⸰ 60⸰ Angle of reflection, r Sin i Sin r 10⸰ 19⸰ 25⸰ 43⸰ 0.26 0.50 0.71 0.87 . The law of reflection states that the angle of reflection and angle of incidence are equal, with . Reflection, Refraction, and Diffraction Lab - DocsLib The Laws of Reflection and Refraction - UniversalClass.com 2. Reflection and refraction are two commonly observed optical properties of light. Reflection and Refraction Lab - 1364 Words | Bartleby Observe the pencil from the front of the glass. and molecules which affect the radio waves between the satellite and the receiver. PART 3 - Total Internal Reflection Step 1. Snell's law therefore yields for the index of refraction of the glass. Reflection and Refraction (Names) (Institution Affiliation) (Date) Reflection Reflection refers to the change in course of the "wavefront" at a boundary between two .
