Optical fiber works on the principle of -
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A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.
An earthquake of magnitude 6 on Richter scale has ______________ times more destructive energy than an earthquake of magnitude 4.
Some roots, called _________________, arise from an organ other than the radicle.
Sher Khan defeated _________ at Chausa (1539) and Kanauj (1540), forcing him to flee to Iran.
In which of the following fields Yamuna Krishnan has been awarded with 9th Infosys award on January 10, 2018?
Who is the winner of the first Indian Super League football?
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