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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
In a thermometer, the commonly used liquid is _______
Fill in the blank
Liquids expand _______ than the solids.
Fill in the blank
Gases expand _______ than the liquids.
Why are gaps left between successive rails on a railway track ?
Describe one experiment to show that liquids expand on heating.
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into the water. Explain the reason.
Why is an oven made of double walls with the space in between filled with cork ?
Why are chimneys provided over furnace in factories?
The bottom of a cooking utensil is painted black. Give the reason.
Explain the following effects of heat.
Expansion
