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प्रश्न
Fill in the blank
Still air is an __________ of heat.
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उत्तर
Still air is an insulator of heat.
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संबंधित प्रश्न
Write true or false for a given statement.
All solids expand by the same amount when heated to the same rise in temperature.
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.
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Write true or false for a given statement.
Water is a bad conductor of heat.
Fill in the blank
Black and dull surfaces are ______ of heat.
Why are gaps left between successive rails on a railway track ?
Why is a cement floor laid in small pieces with gaps in between?
State which expands more, when heated to the same temperature : solid, liquid or gas ?
______ is the only matter on the Earth that can be found naturally in all three states.
Explain the following effects of heat.
Expansion
