Indian Constitution came into force on
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The absolute refractive index of air is
A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.
Insulators have resistivity of the order of
Securities and Exchange Board of India is a
__________ amends the Constitution.
Comptroller and Auditor General of India is appointed by ______.
Raymond Samuel Tomilson is famous for developing which of the following?