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Q.
An ice block contains a glass ball. When the ice melts within the water containing vessel, the level of water:
Punjab PMETPunjab PMET 2006Mechanical Properties of Fluids
Solution:
When ice block contains a glass ball, it displaces some amount of water. But when the ice melts, then glass ball displaces amount of water less than its weight and so less from previous case. Hence, water level falls.