Advertisements
Advertisements
प्रश्न
Fill in the blank and explain.
To discover a sunken ship or objects deep inside the sea, ______ technology is used.
Advertisements
उत्तर
To discover a sunken ship or objects deep inside the sea, SONAR technology is used.
Explanation:
The technology of SONAR (Sound navigation and ranging) is used to estimate the distance and location of underwater objects. A transmitter and a detector are fitted in a ship to do this.
APPEARS IN
संबंधित प्रश्न
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.
Fill in the blank with suitable word .
Sound waves are caused by ...................
Name the characteristic which helps us distinguish between a man's voice and a woman's voice, even without seeing them.
How does the pitch of a sound depend on frequency ?
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 type of scans are used these days to monitor the growth of developing baby in the uterus of the mother ?
What happens to the pitch of a sound if its frequency increases ?
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Fill in the blank with suitable word :
Loudness of sound depends on .....................
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 ?
Draw labelled diagrams to represent sound of (a) low pitch, and (b) high pitch, of the same loudness.
Give one use of ultrasound in industry and one in hospitals.
Explain how, flaws (or defects) in a metal block can be detected by using ultrasound.
What is sonar ? Explain its use.
The ultrasound waves can penetrate into matter to a large extent because they have :
Explain how does SONAR work?
