Physics
Sonar makes use of:
- Infrasonic sound
- Ultrasound
- Supersonic sound
- Light
Sound
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Answer
Ultrasound
Reason — In SONAR (abbreviated form of sound navigation and ranging), to detect and find the distance of objects under water, ultrasound is used.
Exercise 8(B) — Long Answer Type -type short-answer
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Related Questions
The sound of frequency less than 20 Hz is called :
- supersonic
- infrasonic
- ultrasonic
- ultrasound
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
What do you mean by the audible range of frequency?
What is the audible range of frequency for humans?