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प्रश्न
Give one use of ultrasound in industry and one in hospitals.
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उत्तर
Ultrasound has following uses:
(i) Ultrasound is used in industry for detecting flaws in metal blocks without damaging them.
(ii) Ultrasound is used in hospitals as a medical checkup to investigate the internal organs of the human body such as liver, kidneys, and uterus.
(iii) Ultrasound is used to monitor the growth of fetus inside the mother’s uterus.
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संबंधित प्रश्न
Give two practical applications of reflection of sound waves.
Explain how bats use ultrasound to catch a prey.
How is ultrasound used for cleaning?
Explain how defects in a metal block can be detected using ultrasound.
How is an ultrasound scan for fetus (unborn baby) better than X-ray ?
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Fill in the blank with suitable word :
Quality of sound depends on ........................
Write any three applications (or uses) of ultrasound.
Define the following terms : (a) Echolocation (b) Echocardiography, and (c) Ultrasonography.
Expand the abbreviation of the term SONAR.
