If a body slides over a surface, the force resisting the motion between them is called ______.
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The unit of measurement of noise is
Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?
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 :
During uniform motion of an object along a straight line, its ___________ remains constant with time
Find the acceleration (in m/s2) of a body which accelerates from 10 m/s to 20 m/s in 4 seconds.
Why the Earth is having its own atmosphere ?
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