Electromagnetic radiation

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    Spectroscopy is the study of objects, which is represented on the spectrum of color they radiate. An interaction of electromagnetic radiation with matter. Spectroscopy involves the process of absorption, emission, or scattering of electromagnetic radiation by either ions, atoms, or molecules. The process of absorption involves when light is absorbed by electrons that jump to higher energy levels. On the other hand, emission spectra are established when the electrons from high energy levels give off light to jump downwards to lower energy levels. Any atom will absorb and release the same frequencies of electromagnetic radiation. In an emission spectrum, you will seek colored lines on a black background. Bohr proposed that an electron can only be found in specific circular paths around the nucleus. He proposed a model for the hydrogen atom, which explained the spectrum of the hydrogen atom. Also, there are only a limited number of orbits in which the electron dwell in. His assumptions were that the electron in a hydrogen atom travels around the nucleus in a circular direction, the energy of the electron in an orbit is proportional to its distance from the nucleus, and light is absorbed when an electron jumps to a higher energy level and emitted when an electron falls into a…

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    ROLE OF ELECTROMAGNETIC RADIATION AND BEER LAMBERT’S LAW Electromagnetic radiation Electromagnetic radiatio :– it is a form of energy whose behavior is described by the properties of particles and wave. Few properties of electromagnetic radiation for eg. Its refraction when it passes from one medium to another are explained best by describing light as a wave. Some other properties such as emission and absorption are better explained by treating light as a particle. The correct or exact nature…

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    lines and hues made when electromagnetic vitality, for example, light, goes through a substance and energizes its molecules. The energized iotas radiate vitality as light. Since every kind of iota emits light having an extraordinary scope of hues, the emanation range can be utilized to decide the substance 's concoction organization. An outflow range is an electromagnetic radiation (EMR, for example, obvious light, a substance discharges. Each component emits a novel unique finger impression of…

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    Table 1: Physical Parameter of Antenna S.No Description Value (mm) 1 Patch dimension (L*W) 20.91 * 16.06 2 Slot length (L1) 2.64 3 Slot width (W1) 2.64 4 Feed length 13 5 Feed width 3 6 Thickness (h) 1.6 7 Wavelength (λ) 0.0546 m 8 Frequency (fo) 3.5GHz 9 Velocity of Light (c) 3x10^8 m Table 2: Antenna Feeding Techniques Description Patch Feed Coaxial Feed Aperture Coupled Feed Proximity Coupled Feed Feed Radiation More More Less Minimum Reliability Better Poor Good Good Fabrication Easy…

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    Light is an electromagnetic radiation that can be detected by humans. Electromagnetic radiation happens in an extremely large range of wavelengths from gamma rays to radio waves. Within that spectrum the wavelengths visible to humans are few. Light is very difficult to define, in the sense that scientist have been arguing weather light is a particle or a wave. Many experiments have been done to proof weather light is a particle or a wave. The truth is that light sometimes acts as a wave and…

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    Since all of the different types of electromagnetic waves travel at the same speed (~3x108 m/s), the only factor to change is the wavelength (λ) or its inverse, the frequency (μ). To acquire this value, the ideas of electromagnetic and cosmic radiation have to be accounted for. Because all objects in our universe and anything between us and the receiving planet emit some sort of electromagnetic radiation, extensive research has been put into determining the range that incurred the least amount…

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    Spectroscopy Lab

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    experiment is to observe the emission of spectra from several atoms including hydrogen and helium. Measuring the wavelengths of these emitted spectra will allow us to calculate energies of emitted photons. It is important to note that we will be using the Bohr model of the atom to denote the orbit numbers from which electrons in the sample are relaxing from in hydrogen. This will be important for the conclusions that we will make based upon the calculations using the data collected in the lab. …

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    Scanning Electron Analysis

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    signal. These signals can be fed into CRO through video amplifier as shown. In order to produce images the electron beam is focused into a fine probe, which is scanned across the surface of the specimen with the help of scanning coils is shown in Fig. 2.6. Each point on the specimen that is struck by the accelerated electrons emits signal in the form of electromagnetic radiation. Selected portions of this radiation, usually secondary (SE) and/or backscattered electrons (BSE), are collected by a…

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    Simpson, who works at the Springfield Nuclear Power Plant. His job place always dealing with radiation around him and his co-workers. But we don’t know deep details about radiation. Let’s start by talking about the thermal radiation. Thermal radiation is energy where it transfers by the emission of electromagnetic waves. The waves hold energy away from releasing object. For a normal temperature, the radiation is in the infrared region of the electromagnetic spectrum. The relationship ,conducting…

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    re-examine the insulation of houses in hot countries. Such a report can lead to finding the most appropriate colour and thickness for the best thermo-insulated houses in Australia. Relevant Physics Principles Heat Transfer When temperature difference exists in a body, the heat flows from the regions of high temperature to the regions of low temperature. It is this temperature difference between the two neighbouring objects that causes the heat transfer. The rate at which the heat flow process…

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