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प्रश्न
Complete the following sentence:
Elephants produce ____________sound.
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उत्तर
Elephants produce infrasonic sound.
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संबंधित प्रश्न
Name the sound of the frequency given below:
10 Hz
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Name three animals which can hear ultrasonic vibrations.
An electromagnetic wave has a time period of 4 × 10-8 s. Calculate its frequency in MHz.
What are ultrasonic?
Is the energy carried by the ultrasound very high or very low?
1 hertz is equal to
