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प्रश्न
Sonar makes use of :
पर्याय
infrasonic sound
ultrasound
ordinary sound
light
MCQ
उत्तर
Sonar makes use of : ultrasound
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संबंधित प्रश्न
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Complete the following sentence:
Elephants produce ____________sound.
State the approximate speed of ultrasound in air.
Explain how do bats locate the obstacles and prey in their way.
A man can hear the sound of frequency :
What do you understand by the term infrasonic vibrations?
Is the energy carried by the ultrasound very high or very low?
What are hearing aids?
The range of audible frequency for the human ear is
