In the 42nd Constitutional Amendment 1976, which word was added to the Preamble?
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Who first determined the value of G (gravitational constant)?
What will be the force of attraction between two bodies weighing 20 kg and 50 kg, respectively, with a distance of 2 metre between them?
The space shuttle which took Sunita Williams beyond earth was
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Sextant is an instrument used in which of the following ?
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Who appoints the Finance Commission in India?