Advertisements
Advertisements
प्रश्न
Give reasons for the following:
In cold countries, water pipes burst in winter.
Advertisements
उत्तर
In cold countries water pipes burst in winter because the water has maximum density at 4°C and, due to anomalous expansion of water, it expands when the water is cooled to a temperature below 4°C
APPEARS IN
संबंधित प्रश्न
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
What do you understand by thermal expansion of a substance?
One rod of copper and another identical rod of iron are heated to the same rise in temperature. Which rod will expand more? Give reason.
Describe an experiment to showthat air expands on heating.
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into water. Explain the reason.
What is meant by thermal expansion?
Define the following term:
Coefficient of cubical expansion
What is thermal expansion?
The expansion in volume is called linear expansion.
