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प्रश्न
Does SONAR make use of infrasonic sound?
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उत्तर
No, SONAR does not make use of infrasonic waves. Instead, it make use of ultrasonic waves.
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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.
- Which trace is due for the sound with the lowest pitch? Explain your answer.
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Complete the following sentence:
Elephants produce ____________sound.
State the approximate speed of ultrasound in air.
A man can hear the sound of frequency :
What do you understand by the term ultrasonic vibrations?
What is Galton’s whistle? To what use is it put?
1 hertz is equal to
Ultrasound has frequency of vibration
The range of audible frequency for the human ear is
