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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
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संबंधित प्रश्न
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
Write true or false for a given statement.
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Water is a bad conductor of heat.
Select the correct alternative
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During day time, air blows from ______ to ______.
