Advertisements
Advertisements
प्रश्न
What are the effects of heat?
Advertisements
उत्तर
- Expansion
- Increase in temperature
- Change in state
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
All solids expand by the same amount when heated to the same rise in temperature.
Fill in the blank
_________ determines the degree of hotness or coldness of a body.
Fill in the blank
Gases expand _______ than the liquids.
The fig. shows a glass tumbler containing hot milk which is placed in a tub of cold water. State the direction in which heat will flow.
Iron rims are heated before they are fixed on the wooden wheels. Explain the reason.
Why are gaps left between successive rails on a railway track ?
Name a liquid which is a good conductor of heat.
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Explain why the water pipes are covered with cotton during very cold weather.
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
