Physics
The properties of ultrasound that make it useful, are:
- High power and high speed
- High power and good directivity
- High frequency and high speed
- High frequency and bending around the objects
Sound
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Answer
High power and good directivity
Reason — Properties of ultrasound that make it useful to us are:
- The energy carried by ultrasound is very high.
- The ultrasound can travel along a well defined straight path. It does not bend appreciably at the edges of an obstacle because of it's small wavelength (i.e., it has high directivity).
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Related Questions
Choose the correct statement :
- Ultrasonic waves travel faster than supersonic waves.
- Sonic waves travel faster than supersonic waves.
- Sonic waves travel faster than ultrasonic waves.
- Sonic and ultrasonic waves travel with the same speed.
The sound of frequency less than 20 Hz is called :
- supersonic
- infrasonic
- ultrasonic
- ultrasound
Sonar makes use of:
- Infrasonic sound
- Ultrasound
- Supersonic sound
- Light
What do you mean by the audible range of frequency?