Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on 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 assisted the British in capturing Jhansi by betraying Rani Lakshmibai?
Who amongst the following established a secret organization of the revolutionaries known as Mitra Mela?
Which statements accurately reflect the 1929 Lahore Congress Session?
(I) It was presided over by Jawaharlal Nehru.
(II) It declared ‘Pu...
The "History of British India" is a three-volume work by ________.
Which of the following is not a consequence or significance of Battle of Plassey 1757?
Who was the Governor-General of India during the Sepoy Mutiny of 1857?
Consider the following pairs with reference to the tribal uprising and their Leaders:
The Chauri Chaura Incident of 1922 occurred in which Indian state?
Who was the Viceroy of India during the Quit India Movement.
To which race did Mahmud of Ghazni belong?