Advertisements
Advertisements
प्रश्न
What is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
Advertisements
उत्तर
Sonar is a device used to find the depth of a sea through ultrasonic sound waves.
APPEARS IN
संबंधित प्रश्न
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
Name the three characteristics of sound.
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 ....................
Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.
Draw labelled diagrams to represent sound of (a) low pitch, and (b) high pitch, of the same loudness.
Which of the two produces ultrasonic waves : porpoise or whale ?
In SONAR we use:
The depth of an ocean can be determined by ______.
Expand the abbreviation of the term SONAR.
