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प्रश्न
Write true or false for a given statement.
Water is a bad conductor of heat.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
Write true or false for a given statement.
Land and sea breezes are convection currents of cold and warm air.
Fill in the blank
Metals are _______ of heat.
Select the correct alternative
The temperature of pure melting ice is
Why do telephone wires sag in summer ?
Why are gaps left between successive rails on a railway track ?
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Why do we use cooking utensils made up of copper.
In summer, ice is kept wrapped in a gunny bag. Explain the reason.
Why is a ventilator provided in a room?
