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प्रश्न
What type of scans are used these days to monitor the growth of developing baby in the uterus of the mother ?
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उत्तर
Ultrasound scans are used to monitor the growth of a developing baby in the uterus of a woman.
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संबंधित प्रश्न
A sonar device on a submarine sends out a signal and receives an echo 5 s later. Calculate the speed of sound in water if the distance of the object from the submarine is 3625 m.
How does the pitch of a sound depend on frequency ?
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 is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
Write the full name of 'SONAR'.
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Fill in the blank with suitable word :
Quality of sound depends on ........................
A sonar station picks up a return signal after 3 seconds. How far away is the object ? (Speed of sound in water = 1440 m/s).
Explain how does SONAR work?
The depth of an ocean can be determined by ______.
