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प्रश्न
Sonar makes use of :
पर्याय
infrasonic sound
ultrasound
ordinary sound
light
MCQ
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उत्तर
Sonar makes use of : ultrasound
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संबंधित प्रश्न
Complete the following sentence:
Infrasonic sound is of frequency ______________.
Name the sound of the frequency given below:
100 Hz
Name the sound of the frequency given below:
40 kHz
State two applications of ultrasound.
The properties of ultrasound that make it useful are
What do you understand by the term infrasonic vibrations?
How do bats locate their prey during a flight?
An electromagnetic wave has a time period of 4 × 10-8 s. Calculate its frequency in MHz.
State the properties of ultrasound that make it useful.
Bats produce ______ sound during screaming.
