Wed March 28, 2012 By:

what is sonar? who it work.

Expert Reply
Wed March 28, 2012
SOnar is the abbriviation of sound navigation and ranging. It works on the technique of echo location. Based on the time an ultrasound takes to reach a destination and by measuring its echo ( reflected sound wave), we can find the exact location of the distant object. We use this technique to find the location of submarines.
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