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10. ALLE A solid sphere of iron at 2° C ...

10. ALLE A solid sphere of iron at 2° C is lying at the bottom of a bucket full of water at 2°C. If the temperature of the water is increased to 3°C, the buoyant force on the sphere due to water will (1) Increase (2) Be unchanged (3) Decrease (4) Increase or decrease depends upon the numerical unlue of coeficient of expansion of water and iron.

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