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An iron rod of diameter 1 cm and length 8 cm is drawn into a wire of length 18 m of uniform thickness, then the radius of the wire will be :(A) 1 / 30 cm (B) 1 / 900 cm(C) 1 / 3 cm(D) 3 cm |
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Answer» Correct option is (A) 1 / 30 cm |
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