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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
Fill in the blank
On heating a body, its temperature _______.
Fill in the blank
Still air is an __________ of heat.
Iron rims are heated before they are fixed on the wooden wheels. Explain the reason.
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 ?
Describe one experiment to show that liquids expand on heating.
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Explain why we wear woolen clothes in winter.
Explain why the water pipes are covered with cotton during very cold weather.
Why are quilts filled with fluffy cotton?
Why are chimneys provided over furnace in factories?
