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प्रश्न
Select the correct alternative
Which of the statement is correct
पर्याय
Iron rims are cooled before they are placed on cartwheels
A glass stopper gets tight on warming the neck of the bottle
Telephone wires sag in winter, but become tight in summer
A little space is left between two rails on a railway track
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उत्तर
A little space is left between two rails on a railway track
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Equal volumes of different liquids expand by different amounts when they are 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
In a thermometer, the commonly used liquid is _______
Fill in the blank
Liquids expand _______ than the solids.
Name two substances which expand on heating.
State which expands more, when heated to the same temperature : solid, liquid or gas ?
Name a liquid which is a good conductor of heat.
Name a solid which is a good conductor of heat.
What are the land and sea breezes? Explain their formation.
Mention the factors affecting the flow of heat.
