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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:
1000 Hz
Can you hear the sound produced due to vibrations of a seconds pendulum? Give reasons.
Sonar makes use of :
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.
An electromagnetic wave has a time period of 4 × 10-8 s. Calculate its frequency in MHz.
What are ultrasonic?
Bats produce ______ sound during screaming.
