The electromagnetic spectrum covers an extremely broad range‚ from radio waves with wavelengths of a meter or more‚ down to x-rays with wavelengths of less than a billionth of a meter. Optical radiation lies between radio waves and x-rays on the spectrum‚ exhibiting a unique mix of ray‚ wave‚ and quantum properties. At x-ray and shorter wavelengths‚ electromagnetic radiation tends to be quite particle like in its behavior‚ whereas toward the long wavelength end of the spectrum the behavior is
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Electromagnetic Spectrum Project Introduction: In this project you work for a company that produces and sells electromagnetic waves (Waves-R-Us). Your job is to do extensive research on the company’s products and then to design a catalog that will persuade customers to buy our product. You will also need to inform customers of the dangers of our waves. Task: You must design a catalog that will persuade the customers of Waves-R-Us to buy your products. Your catalog must have 1 page for each
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CONTENTS Introduction Objective Electromagnetic Spectrum Microwave region Why wireless charging using microwaves Principle and operation Transmitter Design Receiver Design Process of Rectification Advantages and Disadvantages Future Scope Conclusion Bibliography INTRODUCTION With mobile phones becoming a basic part of life‚the recharging of mobile phone batteries hasalways been a problem. The mobile phones vary in their talk time andbattery
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length than visible light yet is longer than X-rays. UV rays are not visible to humans yet are visible to some insects. UV rays get their name from electromagnetic waves which frequencies are higher than those that humans can identify as the colour violet. Although ultraviolet radiation is invisible to the human eye‚ a lot of people are aware of the effects of UV rays in tanning beds and the sun through sunburn and skin cancer. -Wikipedia The electromagnetic spectrum‚ this picture
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Massachusetts. He was an American physicist and inventor. Because he became fascinated with the natural world‚ he decided to study optics instead of being a priest. One night‚ he saw a rare glowing aurora and he believed the effect was caused by visible rays; this motivated him to study and earn numerous degrees from Harvard‚ MIT and the University of Chicago. He then became a full-time professor of optical physics at Johns Hopkins University He wrote many articles on spectroscopy‚ phosphorescence and diffraction
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20km apart. * Microwaves are absorbed by water molecules. * These water molecules become heated so they heat food * Used for Cooking Infrared Radiation * It is used for night vision and security cameras as Infrared Radiation is visible in daytime or night-time * Police use it to catch criminals‚ army use it to detect enemy * Used to see body heat. * It is used in remote controls for devices such as televisions and video recorders. Ultraviolet * UV synthesizes
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of five developmental disabilities known as autism spectrum disorder (ASD). ASD includes Asperger’s syndrome‚ pervasive developmental disorder (PDD-NOS)‚ autistic disorder‚ Rett’s syndrome‚ and childhood disintegrative
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emitting a photon ‚ the amount of energy in that photon determines its color ;( red for the lowest energy of visible light‚ increasing energy through the rainbow of orange‚ yellow‚ green‚ blue‚ indigo‚ and finally violet for the highest energy of visible light.) Photons outside the visible spectrum may also be emitted‚ but we cannot see them as we learned before. Based on the emission spectrum of the element‚ the compound will turn the flame a characteristic color. This technique of using certain chemical
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Sunlight and Concave Mirror for Cooking Researchers: Pamatmat‚ Mikaela Franchesca Siacon‚ Maria Sherlene Dianne Cruz‚ Jeremy Anne Lardizabal‚ Zaree Dominique Macagba‚ Danielle Martinez‚ Kyrene Teacher: Sir Vincent Sabong Abstract The researchers thought of trying to come up with a makeshift solar cooker in order to test if this way of cooking may be effective and useful in substituting for a frying pan and a stove. The solar cooker may be a possible alternative when cooking outdoors under
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Escobar1*‚ Jonathan R. Hird1 & Seth J. Putterman1 Relative motion between two contacting surfaces can produce visible light‚ called triboluminescence1. This concentration of diffuse mechanical energy into electromagnetic radiation has previously been observed to extend even to X-ray energies2. Here we report that peeling common adhesive tape in a moderate vacuum produces radio and visible emission3‚4‚ along with nanosecond‚ 100-mW X-ray pulses that are correlated with stick–slip peeling events.
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