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प्रश्न
Write true or false for a given statement.
Telephone wires are kept tight between the two poles in summer.
पर्याय
True
False
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उत्तर
False.
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संबंधित 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.
Write true or false for a given statement.
Kerosene contracts on heating.
Fill in the blank
Gases expand _______ than the liquids.
Select the correct alternative
The temperature of pure melting ice is
What do you understand by thermal expansion of a substance ?
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.
Explain why we wear woolen clothes in winter.
What are the land and sea breezes? Explain their formation.
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
______ is greater for liquids than solids and it is maximum in gases.
