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Question
Name three animals which can hear ultrasonic vibrations.
One Line Answer
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Solution
Dogs, bats and dolphins can hear ultrasonic vibrations.
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RELATED QUESTIONS
The sketches I to IV in following Figure show sound waves, all formed in the same time interval.
 |
 |
| I | II |
 |
 |
| III | IV |
Which diagram shows
- a note from a musical instrument
- a soft (or feeble) note,
- a bass (low frequency) note.
Complete the following sentence:
Ultrasound is of frequency ___________.
Complete the following sentence:
Infrasonic sound is of frequency ______________.
Name the sound of the frequency given below:
10 Hz
Name the sound of the frequency given below:
1000 Hz
State two applications of ultrasound.
Sonar makes use of :
What do you understand by the term infrasonic vibrations?
What are ultrasonic?
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