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प्रश्न
State the properties of ultrasound that make it useful.
एका वाक्यात उत्तर
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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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 |
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| (a) | (b) | (c) |
- Which trace is due to the loudest sound? Give reason for your answer.
- Which trace is due for the sound with the lowest pitch? Explain your answer.
Complete the following sentence:
Bats can produce and hear ___________ sound.
Name the sound of the frequency given below:
1000 Hz
What is ultrasound?
Explain how do bats locate the obstacles and prey in their way.
State two applications of ultrasound.
Sonar makes use of :
What are ultrasonic?
Ultrasound has frequency of vibration
Bats produce ______ sound during screaming.
