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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
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
Name the characteristic which helps us distinguish between a man's voice and a woman's voice, even without seeing them.
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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.
Explain why, if we strike a table lightly, we hear a soft sound but if we hit the table hard, a loud sound is heard.
Explain how, bats use ultrasound to catch the prey.
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).
Expand the abbreviation of the term SONAR.
