In which year did Ole Romer measure the speed of light for the first time in the history?
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What is the range of frequencies of sound waves audible to human beings?
Bahadur Shah I (1707–1712 AD) was the ruler of which dynasty?
A cylindrical vessel of radius 4 cm contains water . A solid sphere of radius 3 cm is dipped into the water until it is completely immersed . The water level in the vessel will rise by
Who is the author of "The Lowland"?
Who is considered as the Father of Modern Indian Renaissance?
The League of Nations was formed at the end of which war?
First established Indian Institute of Technology (IIT)?