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प्रश्न
Write true or false for a given statement.
Heat flows from a body at a high temperature to a body at a low temperature when they are kept in contact.
पर्याय
True
False
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उत्तर
True.
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संबंधित प्रश्न
Write true or false for a given statement.
Land and sea breezes are convection currents of cold and warm air.
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_________ determines the degree of hotness or coldness of a body.
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On heating a body, its temperature _______.
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The temperature of boiling water is _______
Select the correct alternative
Which of the statement is correct
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.
Name a solid which is a good conductor of heat.
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Why are quilts filled with fluffy cotton?
When we heat them the force of attraction between the molecules decreases and the ice cubes become ______.
