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प्रश्न
Define the following term:
Coefficient of cubical expansion
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उत्तर
The coefficient of volume expansion is equal to the change in volume of a rod of volume 1m3 when its temperature rises by 1°c.
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संबंधित प्रश्न
What is matter? What is it composed of?
Water is heated from 0°C to 4°C. Will it expand?
An iron washer is heated. State the effect on its internal diameter.
The diagram shows a sketch graph showing a change in volume of a given mass of ice at -5°C to water at 15°C.
(i) Why does the temperature along BC remain constant?
(ii) When is the volume of water minimum?
(iii) At what temperature does water have maximum density? Explain.
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
Thermal expansion is always a nuisance.
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
The expansion in volume is called linear expansion.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
