These examples are Radio‚ micro waves‚ infrared‚ visible light and ultraviolet. Negative Effects Of Ionising Non ionising: There are negative effects on ionising and non ionising radiation that we are exposed to everyday. For example‚ microwave use microwaves‚ toasters use infrared red‚ TV use gamma rays and
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wavelength and increases to greatest wavelength. A. radio‚ infrared‚ ultraviolet‚ gamma rays B. radio‚ ultraviolet‚ infrared‚ gamma rays C. gamma rays‚ radio‚ ultraviolet‚ infrared D. gamma rays‚ infrared‚ radio‚ ultraviolet E. gamma rays‚ ultraviolet‚ infrared‚ radio 3. Electromagnetic radiation of 500 nm wavelength lies in the ________ region of the spectrum. A. infrared B. visible C. ultraviolet D. X-ray E. γ-ray 4. The AM station KBOR plays your favorite
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Electromagnetic Waves Although you might not know it you’re constantly surrounded by thousands of electromagnetic waves every day. Sunlight and x-rays are only two types of electromagnetic waves‚ other types are: radio wave‚ infrared rays‚ ultra-violet rays and gamma rays Nature of an electromagnetic wave Electric and magnetic fields are not made up of matter. An electromagnetic wave consists of an electric and magnetic field and doesn’t need a medium to exist. They are the regions through
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ozone hole. The Antarctic hole now measures about 9 million square miles‚ nearly the size of North America. Less dramatic‚ still significant‚ depletion of ozone levels has been recorded around the globe. With less ozone in the atmosphere‚ more ultraviolet radiation strikes Earth‚ causing more skin cancer‚ eye damage‚ and possible harm to crops. What is ozone? How did researchers discover its role in Earth ’s atmosphere and the devastating consequences of its depletion? The Problem For four
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healthy cells in our body this‚ in consequence leads to the growth of tumors in the epidermis section of our skin. Malignant tumors are mainly caused by Ultraviolet radiation (UV) that comes from the sun. UV rays damage our DNA and cause abnormal growth in our skin cells. There are two main types of ultraviolet radiation; ultraviolet A (UVA) and ultraviolet B (UVB)‚ both contribute to the formation of malignant tumors. Sun exposure is the leading cause for skin cancer but there are other cases in which
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vitamins--all derived from a parent compound‚ structurally similar to cholesterol--and it comes in a variety of forms. From a nutritional standpoint‚ two of these forms are especially important. The first‚ vitamin D2 (calciferol)‚ is produced when ultraviolet radiation activates a sterol that is present mainly in yeasts and fungi (sterols are fat-like substances in the steroid family). Vitamin D2‚ rarely seen in nature‚ is mostly manufactured in the laboratory specifically to be added to infant formulas
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Telescopes in Astronomy SCI/151 Telescopes in Astronomy Telescopes are one of the greatest inventions and have led scientists on a fantastic journey of getting closer to understanding the universe. There is no way to research and evaluate outer space without telescopes gathering all of the information that they do. This paper is going to discuss the science of telescopes and explain all of the elements relative to them. How telescopes changed our view of the universe Without telescopes
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occurring ozone gas that sits 15 to 30 kilometers above Earth and serves as a shield from the ultraviolet B radiation emitted by the sun which are very dangerous. Now‚ the problem is that the release of pollution chemicals which humans do‚ is damaging the ozone layer and allows large amounts of ultraviolet B rays to reach Earth‚ which can cause skin cancer and cataracts in humans and animals as well. Extra ultraviolet B radiation reaching Earth also inhibits the reproductive cycle of phytoplankton and some
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dark experimented to mice‚ pigs‚ and goldfish to test the versatility of the ultraviolet marker. The success of the experiment shows that this ultraviolet marker will not only be able to track certain illnesses‚ otherwise killing silently‚ but hopefully one day be able to slow the extinction of certain wild species. The reason being is that the genetic variation of cats‚ mice‚ pigs and such have common traits‚ the ultraviolet maker used works best to reveal and track these traits. Therefore the possibilities
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1987). Introduction Ozone depletion refers to the destruction of the stratospheric ozone which is caused by various factors. It happens when the layer has been negatively affected severely and it takes time (Dobson‚ 2005). This causes the ultraviolet rays to reach the Earth through the ozone hole causing many impacts on marine ecosystem‚ human beings and on crops. Ozone depletion is mainly as a result of the green house gases. This paper is going to focus on the causes‚ impacts‚ possible solutions
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