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Infrasounds are useful because they can travel long distances and penetrate obstacles, making them ideal for communication, navigation, and detection purposes. They are also less affected by weather conditions and background noise compared to higher frequency sounds. Additionally, infrasounds can be used for monitoring natural phenomena such as earthquakes and volcanic eruptions.
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What are sound waves with frequencies below normal range?
Sound waves with frequencies below the normal range are called infrasound. These waves have frequencies lower than 20 Hz, which is typically the lower limit of human hearing. Infrasound can be created by natural phenomena such as earthquakes or by man-made sources like industrial machinery.
What is the energy that is not useful called?
The energy that is not useful is called waste energy. It is the energy that is not harnessed or converted into a form that can be utilized for work or other useful purposes.
List some low friction and not useful?
Ice on a flat surface - low friction but not useful for walking safely Greasy surfaces - low friction but not useful for handling objects securely Wet banana peel - low friction but not useful for maintaining balance
What is high in friction but is not useful?
Sandpaper is high in friction but is not considered useful in terms of being helpful in a general sense.
Is one way that friction is useful?
stopping cars Friction is useful to start a fire with sticks.
Why are infrasounds more useful more useful than sound for detecting volcanic eruptions?
Infrasounds have longer wavelengths that can travel greater distances and penetrate obstacles, allowing them to detect volcanic eruptions from further away and through the ground. Additionally, infrasounds can detect eruptions even when visibility is poor or when the eruption is not visually observable.
What are Frequencies below 20 Hz?
infrasounds
Can dolphins hear other dolphins from far away?
Because some sounds travel very well through water.
What is the comparative and superlative forms of useful?
more useful, the most useful
What is the Superlative and comparative to the word useful?
Most useful and more useful.
What is the comparative from useful?
The comparative form of "useful" is "more useful."
Comparative and superlative forms of useful?
Comparative: more useful Superlative: most useful
What is a sentence with the word useful?
Computers are so useful to us.Bert is not a very useful person.I find that the phone is a useful invention.Make yourself useful and pass me the spanner.Hopefully these sentences are useful to you.
How are mirrors useful on roads?
how are mirrors useful ? how are mirrors useful ?
What are the comparative and superlative of useful?
more useful, most useful
What is the Comparitive and superlative of useful?
more useful and most useful
Is nuclear-deal useful for us-why?
is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us?
