The Relationship between Kinetic Energy of a dropped object impacting water and height of its resulting wave An Investigatory Project Presented to Mr. De Leon As a Final Requirement in Science and Technology IV By: Ingrid Garcia Rosette Dungca Rochelle Canlas March 2013 Abstract The Relationship between Kinetic
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Chromatography of Photosynthetic Pigments Abstract In this experiment a process of chromatography was used to separate chlorophyll a‚ chlorophyll b‚ xanthophyll‚ and beta carotene. When these pigments were obtained they were used to measure the wavelengths by way of spectrophotometer of each and the total of all the pigments wavelength. Introduction Photosynthesis is a process by which plants use the sunlight to convert it from light energy into chemical energy. This equation shows us how
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experiment‚ Δ/Λ-[Co(en)3]Cl3∙4H2O was synthesized and the absorbance in UV-vis spectrum was recorded. Δ/Λ-[Co(en)3]Cl3∙4H2O has an εmax of 197.33 mol–1dm3cm at 466.00nm and 210.39mol–1dm3cm-1 at 338.00nm. and the colour of the crystals obtained were orange. The crude product was then reacted with L-(+)-tartaric acid and 0.59g of the enantiomer [Λ-Co(en)3][(+)-tart]Cl∙5H2O was obtained. FT-IR spectroscopy was performed and the spectrum was analyzed. Green crystals of trans-[Co(en)2Cl2]Cl∙HCl∙2H2O was also
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light apparatus. The tube that was placed in the dark (wrapped in foil) remained a dark blueish-green color whereas the tubes that were exposed to the light became a lighter shade of green when exposed to the light. Action Spectrum/Floating Disk: The results of our action spectrum experiment illustrated that red light (700 nm) and blue light (450 nm) produced the most floating
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assignments on time as to not penalize my overall grade. The Central High School faculty member that I feel best fits these requirements is Mr. Quick. My paper will assess the potential negative effects of exposure to radiofrequency-modulated electromagnetic fields (RF-EMFs)‚ which are emitted by most cellular devices and if the usage of such devices can be dangerous. Due to my lack of knowledge in the field of radiology‚ I need someone who understands the terminology to explain any questions I may
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right up to 10 MHz (used in some medical treatments and industrial cleaning applications). While these frequencies overlap with those of radio waves‚ they are different because sound and ultrasound are vibrations in the air‚ while radio waves are electromagnetic waves that can travel in a vacuum. UltraSound: Basic Idea – Send waves into body which are reflected at the interfaces between tissue – Return time of the waves tells us of the depth of the reflecting surface SoundWaves. Sound wave propagate
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E.M. INTERACTION WITH MATTER 1 SCATTERING of E.M. RADIATION Type of scattering depends on the e.m. energy‚ ~! wrt the electron energy: Ionization energy EI Rest-mass energy me c2 2 CLASSICAL MODEL E.M. wave interacting with an oscillating electron Frequency of oscillation is given by Coulomb energy: !02 = kC /me e.m. field adds a driving force at e.m. frequency !‚ F = Radiated power is related to the electron acceleration‚ a 2 ✓ ◆2 !4 2 cE (!02 ! 2 )2 0 cE02 = P/I0 ‚ I0 = The cross-section
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peak‚ be the highest‚ where the color is complementary. 600nm is within the wavelength that is orange‚ which is complementary to blue. The red solution peaked at 520nm for absorbance and this is also in accordance since 520nm is still within the spectrum for green. The purple solution made with dye spiked between 500nm and 530nm‚ however it can be seen that it starts increasing around 600nm where it raises up from 0.11 to 0.14 for absorbance level. This is a little bit unclear‚ however the purple
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several countries over many decades.. The first practical demonstrations of television‚ however‚ were developed using electromechanical methods to scan‚ transmit‚ and reproduce an image. The television works by receiving wireless transmitted electromagnetic waves and changing them into sound and light energy that is used for viewing television. The beginning of the television is littered with a series of devices that were very effective at getting wireless electronic patterns that contained light
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Before beginning our research on radio waves‚ to us‚ radio waves were just waves going through the atmosphere‚ carrying sound from one place to another. Those were our ignorant days! We did not realize the complicated terms and theories involved. In the following report you will see how we advanced in our knowledge of radio waves‚ and we hope it will do the same for you. Radio waves are a combination of two kinds of electric vibrations. Audio frequency waves‚ which represent voice and other
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