Pencil THEORY: Refraction: In a homogenous medium‚ light travels along a straight line‚ but whenever it falls on a surface of another medium‚ a very small fraction of it is reflected back and most of the light passes into the medium‚ though with a change of direction. This phenomenon of the bending of light at the surface of separation of the two medium is called refraction of light. Causes of refraction: This phenomenon of refraction takes place when a beam of light
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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 and v1 and v2 are the velocities of the wave in different media and n is the refractive index. Light refracts
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Namee: Paul G. Zamora (Homework in Performance Techniques) Sound Waves- A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air‚ water‚ or any other liquid or solid matter) as it propagates away from the source of the sound. The source is some object that causes a vibration‚ such as a ringing telephone‚ or a person’s vocal chords. The vibration disturbs the particles in the surrounding medium; those particles disturb those next to them
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Concave Lens Compass Plane Mirror Convex Lens Protractor Concave Mirror Prism Ruler Convex Mirror Water Tray III. Theory Ray diagrams Focal length Radius of curvature Law of reflection Snell’s Law (Refraction) Total Internal Reflection IV. Experimental Procedure A. Plane Mirrors 1. Use a ruler to draw a straight line on one side of a sheet of paper near the center‚ then draw a perpendicular line through the center of the first line. 2. Line
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SNC2D0 Exam Review BIOLOGY: Cells‚ Tissues‚ Organs and Organ Systems 1. Compare and contrast the following terms: a) Endoplasmic reticulum and golgi apparatus b) Mitochondria and nucleus c) Cell wall and cell membrane d) Cell cycle and mitosis e) Cell cycle and cancer f) Tissue and organ system g) Digestive system‚ circulatory system‚ and respiratory system h) Root system and shoot system i) Phloem and xylem vessel 2. On a separate piece of paper‚ draw a labeled diagram of an animal
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Introduction • Snell’s Law is a formula used to describe the relationship between the angles of incidence and refraction‚ when referring to light or other waves passing through boundary between two different isotropic media‚ such as water and glass. • It’s also commonly known as ’’The Law Of Refraction’’ What is light : How is light propagated through different optic medium? • Light is the natural agent that stimulates sight and makes things visible; electromagnetic radiation from about
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and wave refraction. The combination of these processes working in conjunction with each other in the vanity of the Otakamiro point headland in the Muriwai coastal environment‚ consequently resulting in the current headland morphology of a cave and arch within the headland and an offshore stack‚ Motutara island. Waver refraction is the process where waves bend around relief and cause the erosion of the headland/relief resulting in the forming and shaping of other landforms Refraction occurs when
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the angle of incidence of white light has on the angle of refraction from one transparent medium to another. Introduction: Snell’s law state: When light passes from one transparent medium to another the rays of light refract (bend). Snell’s law (Law of Refraction) states that: n*=sinⅈsinr=n2n1=V1V2 for the purpose of this experiment we will be proving that: sinⅈsinr=n2n1 or n1sinⅈ=n2sinr where n1 and i are the index of refraction and angle with the normal to the surface for the incident
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index or index of refraction n of a substance (optical medium) is a dimensionless number that describes how light‚ or any other radiation‚ propagates through that medium. It is defined as ‚ Where‚ where c is the speed of light in vacuum v is the speed of light in the substance example‚ the refractive index of water is 1.33‚ meaning that light travels 1.33 times as fast in vacuum as it does in water The historically first occurrence of the refractive index was in Snell’s law of refraction‚ n1sinθ1= n2sinθ2
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‘O’-Level Physics 5059 Compulsory Definitions List V1 Term / Phrase Definition C1: Physical Quantities‚ Units and Measurement Scalar quantities Scalar quantities are physical quantities that have magnitude only. Vector quantities Vector quantities are physical quantities that have both magnitude and direction. C2: Kinematics Speed Speed is the rate of change of distance travelled. Velocity Velocity is the rate of change of displacement. Uniform acceleration Uniform acceleration is a constant rate
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