Advertisements
Advertisements
Question
Write any three applications (or uses) of ultrasound.
Solution
We have the following applications of ultrasound:
(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.
APPEARS IN
RELATED QUESTIONS
Explain the working and application of a sonar.
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
Name the unit used to measure the loudness of sound. Also write its symbol.
Name the characteristic of sound which depends on (a) amplitude (b) frequency, and (c) waveform.
Name the characteristic of sound which can distinguish between the 'notes' (musical sounds) played on a flute and a sitar (both the notes having the same pitch and loudness).
What happens to the loudness of a sound if its amplitude decreases ?
What name is given to sound waves of frequencies higher than 20 kHz ?
What is meant by the 'loudness' of sound ? On what factor does the loudness of a sound depend ?
Explain the term 'pitch' of a sound. On what factor does the 'pitch' of a sound depend ?
Which of the two produces ultrasonic waves : porpoise or whale ?
