Why is one?s breath visible in cold, but not in not in hot weather ?

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Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?

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Explain what is an electron?

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What should a drummer do to make the sound of lower pitch?

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Explain the balanced field takeoff?

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What do you mean by newton meter?

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WHO IS THE FATHER OF CALCULUS,LIBNIEZ OR NEWTON?

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What is Refraction ?

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Explain the name for the physical constant with a value of 6.62 x 10-27 erg seconds?

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What makes the telegraph wires hum?

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Why a water pump raises water to a greater height at Bombay than at Simla

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is a burning candle a undergoing a physicalchange

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