Ques-6 What are
Isounds. What
human ear?
infrasonic
is the
and ultrasonic
audible range of
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1
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Audible sound waves whose frequencies are less than 20 Hz are in the infrasonic range. Sound produced by earthquakes, thunder, volcanoes are in Infrasonic range. Human Ear cant hear this sound but elephants and whales can hear this. Frequencies above 20,000 Hz are in the ultrasonic range
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Answer: sound is a form of energy which forms the sensetion of hearing.
Explanation: The frequency of infrasonic sound is less than 20hz and the frequency of ultrasonic sound is above 20000hz. The frequency of audible range of sound is 20 hz to 20000hz which is heard by the humans.
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