Advertisements
Advertisements
प्रश्न
What do you understand by thermal expansion of a substance ?
उत्तर
The expansion of a substance when, heated, is called thermal expansion.
Or
Thermal expansion is the tendency of matter to change .in shape, area and volume in response to a change in temperature.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Gases expand _______ than the liquids.
Select the correct alternative
The temperature of pure melting ice is
Why do telephone wires sag in summer ?
Name a liquid which is a good conductor of heat.
In summer, ice is kept wrapped in a gunny bag. Explain the reason.
Explain why we wear woolen clothes in winter.
Explain why the water pipes are covered with cotton during very cold weather.
Why is a ventilator provided in a room?
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
Mention the factors affecting the flow of heat.
