What is white body ?

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What is a Diamond ?

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How much should be the minimum size of the ordinary mirror, so that and observer standing at the centre of room is able to see the whole of the height of the wall behind him ?

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the time period of three pendulums are given in a sequence as a= 1.27s b=0.85s c=0.99s the given sequence may not be correct arrange the time period in a correct sequence

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What is Alum?

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All elements with an atomic number greater than what number are unstable?

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what happens to the period of a simple pendulum taken into a deep mine ?

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What is Fahrenheit thermometer ?

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By passing current through a wire wrapped around an iron rod, william sturgeon invented the?

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what is specific fuel consumption,total fuel consumption,mean effective pressure,indicated thermal efficiency...

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Which atomic model did erwin schrodinger create?

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Explain the Opaque ?

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