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प्रश्न
What do you understand by the term infrasonic vibrations?
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उत्तर
Infrasonic vibrations: Those vibrations whose frequency is less than 20 hertz are known as infrasonic vibrations
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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 ___________.
Complete the following sentence:
Bats can produce and hear ___________ sound.
Explain how do bats locate the obstacles and prey in their way.
Sonar makes use of :
How do bats locate their prey during a flight?
State four practical uses of ultrasonic vibrations.
The sonic boom of an aircraft has a time period of 0.00005s. Calculate the frequency of sound produced.
What does SONAR stand for?
Bats produce ______ sound during screaming.
