Physics
Related Questions
Explain the following:
Fishes survive in ponds even when the atmospheric temperature is below 0°C.
Draw a graph to show the variation in density of water with temperature in the temperature range from 0°C to 10°C.
A given mass of water is cooled from 10°C to 0°C. State the volume changes observed. Represent these changes on a temperature-volume graph.
Explain the following:
In winter, water tank (or ocean) starts freezing from the surface and not from the bottom.