Science, asked by adhithya54, 1 year ago

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Answered by atharva7088
2
Repeated reflections of sound is called echo

We can hear echo at mountainous regions or in valleys

Golgumbaz is the best example for echo

It has a dome like structure because of which some is repeated many at times

Ultrasound is used to create an image of internal body structures like tendons muscles joints blood vessels and internal organs

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