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प्रश्न
Is the energy carried by the ultrasound very high or very low?
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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.
Complete the following sentence:
Bats can produce and hear ___________ sound.
Name the sound of the frequency given below:
10 Hz
What do you understand by the term ultrasonic vibrations?
Name three animals which can hear ultrasonic vibrations.
State four practical uses of ultrasonic vibrations.
The sonic boom of an aircraft has a time period of 0.00005s. Calculate the frequency of sound produced.
What does SONAR stand for?
Describe a simple method to find the depth of a submerged ship.
State the properties of ultrasound that make it useful.
