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Q. The velocity of falling rain drops attains a terminal value because of
The velocity of falling rain drops attains a terminal value because of viscous force exerted by air.
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Q. The colour of the ocean appears to be blue because the sunlight falling on it is
Q. The earthing transformer is used
Q. Incandescent lamp is filled by ?
Q. Which one of the following statement is NOT TRUE about the MI type instruments ?
Q. A photo electric cell converts
Q. If an electron & a photon have the same wavelength, then they will have the same
Q. Speed in a given direction is called
Q. The audible range of sound for an average adult human being is ______.
Q. In a cup, tea cools from 90C to 80C in exactly one minute. It will cool from 70C to 60C in
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