State the approximate speed of ultrasoun...

State the approximate speed of ultrasound in air.

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`330 m s^(-1)`

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ICSE-PROPAGATION OF SOUND WAVES -EXERCISE -8(B)

What do you mean by the audible range of frequency?
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Write the audible range of frequency for the normal human ear.
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For which range of frequencies, human ears are most sensitive ?
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Which has the higher frequency - ultrasonic sound or infrasonic sound?
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We can hear sounds of frequency in the range of ............
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Complete the following sentence : Ultrasound is of frequency ...........
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Complete the following sentence : Infrasonic sound is of frequency ……...
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Complete the following sentence : Bats can produce and hear ............
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Complete the following sentence : Elephants produce ............. so...
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Name the sounds of the frequencies given below: 10 Hz
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Name the sounds of the frequencies given below: 100 Hz
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Name the sounds of the frequencies given below: 1000 Hz
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Name the sounds of the frequencies given below: 40 Hz
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Can you hear the sound produced due to vibrations of a seconds' pendul...
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What is ultrasound ?
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State the approximate speed of ultrasound in air.
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The properties of ultrasound that make it useful, are
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Explain how do bats locate the obstacles and prey in their way.
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State two applications of ultrasound.
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