A quantity of water at 0 °C is heated to 30 °C. F...
A quantity of water at 0 °C is heated to 30 °C. For each degree rise in temperature, its density will---------
rise steadily
fall steadily
fall and then rises
rise and then falls
Correct answer is D
When water is heated, the density rises and falls steadily, remember the anomalous expansion of water.
An electric iron rated 250 V has a coil of resistance 125Ω. What is the cost of using it for I...
At different locations on the earth's surface, the earth's magnetic field is ...
A bullet fired vertically upward from a gun held 2.0 m above the ground reaches its maximum hei...
The main reason why rice cooks faster in a pressure cooker than in cooking pot is that ...