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प्रश्न
Is the energy carried by the ultrasound very high or very low?
एका वाक्यात उत्तर
उत्तर
The energy carried by ultrasonic sound is very high.
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संबंधित प्रश्न
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.
Name the sound of the frequency given below:
10 Hz
Name the sound of the frequency given below:
40 kHz
State the approximate speed of ultrasound in air.
Explain how do bats locate the obstacles and prey in their way.
How do bats locate their prey during a flight?
What does SONAR stand for?
What is echocardiography?
State the properties of ultrasound that make it useful.
Bats produce ______ sound during screaming.
