What is radium used for?
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Why is diamond so bright ?
Explain the Opaque ?
The element required for solar energy conservation___?
Define Fixation of Nitrogen?
Why does the specific gravity of milk increase, when cream is removed from the milk ?
Explain planck’s hypothesis or what the postulates of planck’s quantum theory? (Or) what are the assumptions of quantum theory of black body radiation? : quantum physics
What cycle most directly describes the working cycle of a heat engine operating as an ideal engine of maximum thermal efficiency?
What is the effeciency of solar cell (Current year)
What is the Electro magnet ?
the weight of the body at the centre of the earth is
What is Absolute humidity ?
Which lens is used for correcting short ?sightedness ?