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    Tutorial

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    incident on the face of a fused quartz prism (n = 1.46 at 700nm)at an angle of 75˚ (with respect to the normal to the surface). The apex angle of the prism is 60.0˚. Calculate the a) b) c) d) angle of refraction at this first interface angle of incident at this second interface angle of refraction at the second interface and angle between the incident and emerging rays. 1=n2sin 2. Hint: Use Snell’s law n1sin Solution: a) n1sin 1=n2sin 2. 60 4 b) total angle inside a rectangular = 360˚

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    4PH0 1P Que 20120307

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    Write your name here Surname Other names Centre Number Edexcel International GCSE Candidate Number Physics Unit: 4PH0 Science (Double Award) 4SC0 Paper: 1P Thursday 12 January 2012 – Morning Time: 2 hours Paper Reference 4PH0/1P 4SC0/1P Materials required for examination. Ruler‚ calculator Total Marks Instructions black ink or ball-point pen. t Use in the boxes at the top of this page with your name‚ t Fill centre number and candidate number. all questions. t Answer Answer the in the spaces

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    A Liter of Light

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    SOLAR BOTTLE BULB The solar bottle bulb is taking the developing world by storm bringing sustainable‚ affordable lighting to the underprivileged rural communities in a number of regions around the globe‚ the concept is cheap‚ simple and most importantly sustainable‚ but how did such an amazing idea come about? The concept was first conceived in 2002 by Alfredo Moser‚ a mechanic in Sao Paulo‚ Brazil‚ to light his workshop when his neighbourhood was suffering energy shortages‚ enabling him to continue

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    Chapter 13 – States of Matter Pressure (P) – the amount of force per unit area. Pressure=F/a  or  P=F/a Pascal’s Principle “Any change in pressure at a point on a confined fluid is transmitted throughout the fluid”.  Any change is transmitted throughout the fluid. Buoyancy & Archimedes Principle “When an object is submerged in a fluid‚ it displaces a certain volume of that fluid.  The amount of force pushing upward on the object is equal to the density of the fluid (ρ) times the acceleration

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    Physics light

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    2-8 Refraction and polarization of light 5. Experiment Results A. Linearity of light 1. The light beam does go straight when we tested on the angle board. 2. As the source of light beam was getting farther away from the slit‚ the beam becomes narrower and shorter in addition to fading. This is because light particles escape more when they travel to go through the slit. B. Law of reflection Angle of incidence is the angle formed by a ray incident on a surface

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    Determination of Refractive Index of Prism using Spectrometer and Various Light Sources Dimain‚ Marion; Gonzales‚ Jade; Pancho Jr.‚ Ronel; Viloria‚ Matthew David College of Engineering‚ University of the Philippines‚ Diliman‚ Quezon City 1101‚ Philippines msdimain@yahoo.com jadegonzales019@yahoo.com ronelpancho@yahoo.com tewhmat.liv@gmail.com Abstract The study aims to measure the refractive index of a triangular prism using a spectrometer‚ utilizing different gas discharge tubes as light source

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    may begin. 6. FULL-DUPLEX: A system in which signals may be transmitted in two directions at the same time. 7. PHOTODIODE: 8. AMPLITUDE MODULATION: 9. ANALOG TRANSMISSION: 10. DIGITAL TRANSMISSION: 11. SAMPLE RATE: 12. ELECTROMAGNETIC WAVE: 13. REFRACTION: 14. MEDIUM: 15. TOTAL INTERNAL REFLECTION: 16. FRESNEL REFLECTION: 17. TENSILE REFLECTION: 18. DESPERSION: 19. BANDWIDTH: 20. POLARITY: 21. ABSORPTION: 22. SCATTERING: 23. EQUILIBRIUM MODE DISTRIBUTION: 24. PERSONAL PROTECTIVE EQUIPMENT: 25. GOOD

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    Refractive Index

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    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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    AIM: i)To investigate the dependence‚ of the angle of deviation on the angle of incidence‚ using a hollow prism filled one by one with different transparent fluids. APPARATUS REQUIRED: Drawing board White sheets of paper Hollow prism Different liquids(water‚ kerosene‚ oil‚ spirit etc.) Drawing pins Pencil Half meter scale Thumb pins Graph papers A protractor INTRODUCTION: In optics‚ a prism is a transparent optical element with flat‚ polished surfaces that refract light. The

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    Design and Simulation of a Band Pass Fabry-Perot Filter “A.A. Cruz The University of Alabama in Huntsville Physics Department‚ 137 Madison Hall Huntsville‚ Al 35899‚ US April 2009.” Abstract In this study‚ a novel design of a Fabry-Perot band pass filter using as low and high index coating materials silicon dioxide (SiO2) and titanium dioxide (TiO2) is presented. Two high reflectance dielectric materials separated by a half wavelength “cavity” which is made up of SiO2 that allows

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