Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?
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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 :
Fundamental duties are included in the Indian Constitution by the_________Amendment.
The unit of measurement of noise is
Unit of impedance is ___________.
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?
During _____________ motion of an object along a straight line, the velocity remains constant with time.
Why the Earth is having its own atmosphere ?
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