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प्रश्न
Fill in the blank
Still air is an __________ of heat.
उत्तर
Still air is an insulator of heat.
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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
_________ determines the degree of hotness or coldness of a body.
A glass stopper stuck in the neck of a bottle can be removed by pouring hot water on the neck of the bottle. Explain why ?
One end of a steel girder in a bridge is not fixed, but is kept on roliers. Give the reason.
What are the land and sea breezes? Explain their formation.
What are the effects of heat?
During day time, air blows from______ to______
In ice cubes, the force of attraction between the water molecules is ______.
______ is the only matter on the Earth that can be found naturally in all three states.
When heat energy is added to a substance, the kinetic energy of its particles ______ and so the particles move at a higher speed.
