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प्रश्न
Fill in the blank
_________ determines the degree of hotness or coldness of a body.
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उत्तर
Temperature determines the degree of hotness or coldness of a body.
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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.
Fill in the blank
Metals are _______ of heat.
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.
Why are gaps left between successive rails on a railway track ?
Name a liquid which is a good conductor of heat.
Name a solid which is a good conductor of heat.
Explain why we wear woolen clothes in winter.
During day time, air blows from ______ to ______.
______ is greater for liquids than solids and it is maximum in gases.
Explain the following effects of heat.
Expansion
