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प्रश्न
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
पर्याय
True
False
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उत्तर
True.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Land and sea breezes are convection currents of cold and warm air.
Name two substances which expand on heating.
Why do telephone wires sag in summer ?
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 ?
Why is a cement floor laid in small pieces with gaps in between?
What are the land and sea breezes? Explain their formation.
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
When we heat them the force of attraction between the molecules decreases and the ice cubes become ______.
Explain the following effects of heat.
Expansion
