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प्रश्न
What are infrasonic and ultrasonic sounds?
एका वाक्यात उत्तर
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उत्तर
Sound having frequency less than 20Hz is called infrasonic sound. Sound having frequency greater than 20KHz is called ultrasonic sound.
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संबंधित प्रश्न
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Complete the following sentence:
Ultrasound is of frequency ___________.
Name the sound of the frequency given below:
10 Hz
Name the sound of the frequency given below:
1000 Hz
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How do bats locate their prey during a flight?
Does SONAR make use of infrasonic sound?
What are ultrasonic? State and explain two applications of ultrasounds.
State the main components of a hearing aid.
1 hertz is equal to
