Q3 of 54 Page 389

What is SONAR?

SONAR stands for Sound Navigation And Ranging. It is a device used to measure the distance, direction and speed of underwater.


More from this chapter

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1

What is an echo?

 2

What is reverberation?

 4

Sound is produced by a vibrating source. Why then a vibrating pendulum does not produce any sound?

 5

What is the audible range for a normal human being?