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प्रश्न
Write true or false for a given statement.
Land and sea breezes are convection currents of cold and warm air.
पर्याय
True
False
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उत्तर
True.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Fill in the blank
On heating a body, its temperature _______.
Fill in the blank
Gases expand _______ than the liquids.
Fill in the blank
Metals are _______ of heat.
What do you understand by thermal expansion of a substance ?
Why do telephone wires sag in summer ?
One end of a steel girder in a bridge is not fixed, but is kept on roliers. Give the reason.
State which expands more, when heated to the same temperature : solid, liquid or gas ?
What are the good and bad conductors of heat ? Give two examples of each.
Why is a tea kettle provided with an ebonite handle?
