What is the SI unit of intensity of sound?
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Who discovered theory of relativity?
Which of the following is not a vector quantity?
Why the Earth is having its own atmosphere ?
A galvanometer can be converted to a voltmeter by connecting
The sliding friction is _______________ than the static friction.
A covex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be :
The first equation of motion gives the relation between