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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.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
Write true or false for a given statement.
Telephone wires are kept tight between the two poles in summer.
Write true or false for a given statement.
Kerosene contracts on heating.
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Liquids expand _______ than the solids.
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Metals are _______ of heat.
Why are chimneys provided over furnace in factories?
What are the land and sea breezes? Explain their formation.
In ice cubes, the force of attraction between the water molecules is ______.
When we heat them the force of attraction between the molecules decreases and the ice cubes become ______.
When heat energy is added to a substance, the kinetic energy of its particles ______ and so the particles move at a higher speed.
Explain the following effects of heat.
Expansion
