PURPOSES? In terms of definition‚ Electromagnetic Wave is a “non-particulate radiation (radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge)”. Thus‚ in simpler words‚ electromagnetic is a transmission of energy‚ caused by the oscillation and of electric and magnetic fields. The word electromagnetic wave or electromagnetic radiation may sound complex. However‚ without even noticing‚ electromagnetic waves have
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accelerating electrical charge” (2010). Radiation is “The transfer of heat by electromagnetic radiation. The only one of the three mechanisms of heat transfer that does not require atoms or molecules to facilitate the transfer process” (Trefil & Hazen‚ 2010). Radiation traveling in the form of electromagnetic waves; energy that travels and spreads out as it goes (Trefil & Hazen‚ 2010). Below are everyday examples of the seven types of radiation that were seen on Figure 6-18. 1. Gamma
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Radios and microwaves both use radiation from the electromagnetic spectrum Visible light can be split into a spectrum of colours .. from red through the rainbow colours to violet but visible light is just a small part of the whole electromagnetic spectrum All the different types of electromagnetic waves travel at the same speed through a vacum .. the waves can be orderd by wave length remebered that waves with the shortest wave lengths have the highest frequency and the most energy and the waves
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Chapter 1 Introduction to D.R.D.O 1.1 Defence Research and Development Organization DRDO was formed in 1958 from the amalgamation of the already functioning Technical Development Establishment (TDEs) of the Indian Army and the Directorate of Technical Development & Production (DTDP) with the Defense Science Organization (DSO). DRDO is 50 labs strong and is deeply engaged in developing Defense technologies covering disciplines like aeronautics‚ armaments‚ electronics‚ combat vehicles‚ engineering
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Two Examples of Radiation 1. Boundaries A discussion of the regions (or bands or types) of the electromagnetic spectrum is given below. Note that there are no precisely defined boundaries between the bands of the electromagnetic spectrum; rather
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business and powerful state authorities. An exercise to decommission the ARE plant finally began in 2003‚ but the work to decontaminate the area is still going on and is estimated to cost RM300 million. The New York Times called it “the largest radiation cleanup yet in the rare earth industry”. ARE was a collaboration between Mitsubishi Chemical Industries Ltd (35%)‚ Beh Minerals (35%)‚ Lembaga Urusan dan Tabung Haji (20%) and several Bumiputera businessmen (10%). The company was incorporated
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1. Define land resource surveying methodology. Identify the two approaches in land resource surveying methodology. 2. Discuss the contributions of Aristotle‚ Louise Deguerre‚ Argo‚ Loussedat and Deville in enriching the science of topographic surveying. 3. The atmosphere influences EMR in two ways. Discuss them. 1. According to Professor Masaka (2011) Land resource survey methodology can be defined as the starting point for any natural resource management policy has to be an inventory of
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Energy Transformation Conduction‚ convection‚ and radiation are things that exist in our life. Thanks to that stuff we have things like electricity and things to cook too. I am going to explain things about energy transformation. Heat transfer is the way heat moves through matter to change the temperature of other objects. There are three types of heat transfers‚ Conduction‚ Convection‚ and Radiation. The first kind of heat transfer‚ conduction‚ is heat transferring through direct contact of materials
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Surgery‚ chemotherapy‚ and radiation. Surgery usually happens before the chemotherapy or radiotherapy. Eye Cancer Complications of treatment- It is not always necessary to treat the cancer immediately. Treatment is recommended when the tumor starts to grow or if it may spread to other parts of the body. Due to location of the cancer‚ you may or may not lose your sight. Limitations of treatment- Chemotherapy‚ Cryotherapy‚ External Beam Radiation Therapy‚ Laser Therapy‚ Radiation Plaque Therapy‚ or Enucleation
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Absorption & Emission of Light Stimulated Absorption & Emission‚ Spontaneous Emission E2 Incident radiation hν hν Emitted & transmitted radiation E1 Resonance condition E2-E1=hν • Rate of stimulated emission is: −dN1/dt = N1B1->2 ρ(ν) • Rate of absorption is the sum of the rated due to stimulated emission and spontaneous emission: −dN2/dt = N2B2->1 ρ(ν) + N2A2->1 where B1->2 is the Einstein transition probability for induced absorption‚ B2->1 is the Einstein transition probability
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