Advertisements
Advertisements
Question
Give one use of ultrasound in industry and one in hospitals.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
A wave is moving in air with a velocity of 340 m/s. Calculate the wavelength if its frequency is 512 vibrations/sec.
Name the three characteristics of sound.
What is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
What happens to the pitch of a sound if its frequency increases ?
What name is given to sound waves of frequencies higher than 20 kHz ?
Fill in the blank with suitable word :
Quality of sound depends on ........................
Draw labelled diagrams to represent sound of (a) low pitch, and (b) high pitch, of the same loudness.
What is meant by the quality (or timbre) of sound ? On what factor does the quality (or timbre) of a sound depend ?
In SONAR we use:
The depth of an ocean can be determined by ______.
