Please select a subject first
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Complete the following sentence:
Infrasonic sound is of frequency ______________.
Concept: undefined >> undefined
Complete the following sentence:
Bats can produce and hear ___________ sound.
Concept: undefined >> undefined
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Complete the following sentence:
Elephants produce ____________sound.
Concept: undefined >> undefined
Name the sound of the frequency given below:
10 Hz
Concept: undefined >> undefined
Name the sound of the frequency given below:
100 Hz
Concept: undefined >> undefined
Name the sound of the frequency given below:
1000 Hz
Concept: undefined >> undefined
Name the sound of the frequency given below:
40 kHz
Concept: undefined >> undefined
Can you hear the sound produced due to vibrations of a seconds pendulum? Give reasons.
Concept: undefined >> undefined
State the approximate speed of ultrasound in air.
Concept: undefined >> undefined
Explain how do bats locate the obstacles and prey in their way.
Concept: undefined >> undefined
State two applications of ultrasound.
Concept: undefined >> undefined
A man can hear the sound of frequency :
Concept: undefined >> undefined
The properties of ultrasound that make it useful are
Concept: undefined >> undefined
What do you understand by the term infrasonic vibrations?
Concept: undefined >> undefined
What do you understand by the term sonic vibrations? State the range of sonic vibrations for the human ear.
Concept: undefined >> undefined
What do you understand by the term ultrasonic vibrations?
Concept: undefined >> undefined
Name three animals which can hear ultrasonic vibrations.
Concept: undefined >> undefined
How do bats locate their prey during a flight?
Concept: undefined >> undefined
