Answers

2015-11-16T18:13:10+05:30
IN SONAR FOR NAVIGATION OF SHIPS AND SUBMARINES,ALSO IN MEDICINES
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2015-11-16T18:32:00+05:30
1: ultra sound is used in industry for detecting flaws ( cracks , etc. ) in metal blocks without damaging . 
2: ultrasound is used in industry to clean " hard to reach " parts of the objects such as spiral tubes , odd shaped machines and electronic components . etc.
3: ultrasound is used to investigation the internal organs of the human body such as liver , gall bladder , pancreas , kidney , uterus and heart , etc .
4: ultrasound scans are used to monitor the development of fetus ( unborn baby ) inside the mother's uterus .
           i hope that this will help u ..............................^_^
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