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प्रश्न
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
पर्याय
True
False
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उत्तर
True.
APPEARS IN
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.
All solids expand by the same amount when heated to the same rise in temperature.
Fill in the blank
We use a ________ for measuring the temperature of a body.
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Metals are _______ of heat.
Fill in the blank
Black and dull surfaces are ______ of heat.
A glass stopper stuck in the neck of a bottle can be removed by pouring hot water on the neck of the bottle. Explain why ?
State one application of thermal expansion of liquids.
Explain why the water pipes are covered with cotton during very cold weather.
What are the effects of heat?
Mention the factors affecting the flow of heat.
