The apparent weight of a person in a lift which is moving down with uniform acceleration is _______.
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The boiling point of an alcohol is 78°C. What is the temperature in Kelvin scale?
Who discovered theory of relativity?
The first equation of motion gives the relation between
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 :
Which of the following is not a vector quantity?
What is the SI unit of intensity of sound?
A galvanometer can be converted to a voltmeter by connecting