What is the full form of SONAR ?

  1. Sound Navigation and Radiation
  2. Sound Navigation and Ranging
  3. Sound Navigation and Radio
  4. None of these
Anurag Mishra Professor Asked on 16th April 2016 in General Knowledge.
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    Answer: (2) Sound Navigation and Ranging 

    Anurag Mishra Professor Answered on 17th April 2016.
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