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प्रश्न
Name two substances which expand on heating.
एक पंक्ति में उत्तर
उत्तर
Two substances that contract on heating are plastic and poly-ethene.
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संबंधित प्रश्न
Kerosene contracts on heating.
Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?
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State one application of thermal expansion of liquids.
Describe an experiment to showthat air expands on heating.
What is the velocity of thermal radiations?
Show by an experiment that the real expansion of a liquid is equal to the sum of its apparent expansion of a liquid is equal to the sum of its apparent expansion and the volume expansion of the vessel containing the liquid.
If you heat a circular disk with a hole, what change do you expect in the diameter of the hole? Remember that the effect of heating increases the separation between any pair of particles.
The expansion in volume is called linear expansion.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
