Explain uses of ultrasonic sound.
GSEB - Class 9 Chapter - 2. Wave Motion and Sound Page 23
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ultrasonic waves help bats to detech their obstacle and fly
it is also used by dolphins to detect their obstacles or prey
it is also used by dolphins to detect their obstacles or prey
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Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing. ... Ultrasoundimaging or sonography is often used in medicine. In the nondestructive testing of products and structures, ultrasound is usedto detect invisible flaws.
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