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प्रश्न
State the properties of ultrasound that make it useful.
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उत्तर
High Power , High Energy and good directionality are the properties of ultrasonic sounds which makes them useful.
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संबंधित प्रश्न
A microphone is connected to the Y-input of a C.R.O Three different sounds are made in turn in front of the microphone. Their traces (a), (b) and (c) produces on the screen are shown in following figure.
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| (a) | (b) | (c) |
- Which trace is due to the loudest sound? Give reason for your answer.
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Elephants produce ____________sound.
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1000 Hz
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- frequency
- time period.
What are ultrasonic?
Is the energy carried by the ultrasound very high or very low?
Ultrasound has frequency of vibration
