An aluminium sphere is dipped into water. Which of the following is true? (a) Buoyancy will be less … at 4°C depending on the radius…
Key concept: Liquids generally increase in volume with increasing temperature but in case of water, it expands on heating if its temperature is greater than 4°C. The density of water reaches a maximum value of 1.000 g/cm3 at 4°C.
This behaviour of water in the range from 0°C to 4°C is called anomalous expansion.