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Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
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Radiocarbon is produced in the atmosphere as a result of
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It is more difficult to walk on a sandy road than on a concrete road because
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Photosynthesis takes place faster in
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An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is
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Identify the vector quantity from the following
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Isotopes of an element contain
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On a stationary sail boat, air is blown from a fan attached to the boat. The boat
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Out of the following pairs, which one does not have identical dimension?
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Intensity of sound at a point is __________ its distance from the source.
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