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| Applications of Ultrasound |
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 It is used for medical diagnosis and therapy and also as a surgical tool. |
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 Bats and porpoises use ultrasound for navigation and to locate food in darkness. |
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 It is used to detect defective foetus. |
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 It is used as a tool in the treatment of muscular pain. |
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 Ultra sonography (is a technique of 3-dimensional photographs with the help of ultrasonic waves) is used to locate the exact position of an eye tumour. |
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 Ultrasound is generally used to clean spiral tubes,electronic components etc. |
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 Ultrasound are used to detect cracks and flaws in metal blocks. |
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