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प्रश्न
Write true or false for a given statement.
Water is a bad conductor of heat.
पर्याय
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.
Fill in the blank
On heating a body, its temperature _______.
Fill in the blank
Still air is an __________ of heat.
Fill in the blank
Black and dull surfaces are ______ of heat.
Select the correct alternative
The temperature of pure melting ice is
Name the instrument used to measure the temperature of a body.
Why do telephone wires sag in summer ?
Iron rims are heated before they are fixed on the wooden wheels. Explain the reason.
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
