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Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate,communicatewithordetectobjectson or under the surface of the water, such as other vessels. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water.
Who is first ISRO woman to have completed 403 days in Antarctica?
Propane and butane are the main components of which of the following gases?
DRDO At which place was the successful launch of Supersonic Missile Assisted Torpedo System developed by DRDO in December 2021?
Which of the following company has become the 12th company to attain the Maharatna status?
Harrod Domar growth model is known for highlighting the role of savings and investments. Which Five-Year Plan in India was based on this model?
Which of the following sites do “Not” have nuclear power plant?
With which neighbouring country did India sign the Farakka Treaty in 1996 for sharing of the Ganga Waters and on augmenting its flows?
Which of the following is/are not a/the renewable source(s) of energy?
(i) Coal
(ii) Bio-mass
(iii) Sunlight
...Until when is the overarching scheme "PRITHvi VIgyan (PRITHVI)" of the Ministry of Earth Sciences approved for implementation?
Which of the following is a straight-chain alkyl carboxylic acid with the chemical formula CH₃CH₂CH₂CO₂H?
