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प्रश्न
Write true or false for a given statement.
Telephone wires are kept tight between the two poles in summer.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
Write true or false for a given statement.
Water is a bad conductor of heat.
Fill in the blank
Liquids expand _______ than the solids.
State one application of thermal expansion of liquids.
Why is a tea kettle provided with an ebonite handle?
In summer, ice is kept wrapped in a gunny bag. Explain the reason.
Why are chimneys provided over furnace in factories?
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
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
