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प्रश्न
Name two substances which expand on heating.
एका वाक्यात उत्तर
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उत्तर
Two substances that contract on heating are plastic and poly-ethene.
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संबंधित प्रश्न
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
What is matter? What is it composed of?
Two identical rods of copper are heated to different temperatures — one by 5°C and the other by 10°C. Which rod will expand more?
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
State the relation between the three types of expansion.
Describe an experiment to demonstrate the thermal expansion of solids.
State the volume changes that you will observe when a given mass of water is heated from 0°C to 10°C. Sketch a temperature-volume graph to show the behavior.
Solids ______ on heating and ______ on cooling.
What is thermal expansion?
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
