A piece of wood floats inside water at room temperature with a fraction of it above the liquid surface. As the temperature of the water is raised, the part of the wood above the liquid will
decrease because the density of water decreases with temperature
increase because the density of water decreases with temperature
decreases because the density of water increases with water temperature
increase because the density of water increases with temperature
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A is correct because density is inversely proportional to temperature. As temperature increases density reduces and vice versa
The density of water increases with temperature between 0 and 4 degree Celsius. This is called as anomalous expansion of water. This is caused by the hydrogen bonding between the oxygen atoms that are negatively charged and the hydrogen atoms that are positively charged, from two different molecules of water.
but i think this question is talking about a temperature beyond 4°c since the temperature wasn't specified
