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प्रश्न
Name a liquid which is a good conductor of heat.
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उत्तर
Mercury is good conductor of heat.
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संबंधित प्रश्न
Fill in the blank
We use a ________ for measuring the temperature of a body.
Fill in the blank
Metals are _______ of heat.
Name the instrument used to measure the temperature of a body.
What do you understand by thermal expansion of a substance ?
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 ?
Describe one experiment to show that liquids expand on heating.
State one application of thermal expansion of liquids.
Explain why we wear woolen clothes in winter.
When we heat them the force of attraction between the molecules decreases and the ice cubes become ______.
Explain the following effects of heat.
Expansion
