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प्रश्न
What are the medical applications of echo?
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उत्तर
- The principle of echo is used in obstetric ultrasonography, which is used to create real-time visual images of the developing embryo or fetus in the mother’s uterus.
- This is a safe testing tool, as it does not use any harmful radiation.
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संबंधित प्रश्न
Explain why, the flash of lightning reaches us first and the sound of thunder is heard a little later.
Fill in the blank with suitable word :
Echoes are caused by the ...................... of sound.
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