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प्रश्न
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उत्तर
Take a ball and ring apparatus as shown in figure. At room temperature, the ball can just pass through the ring. Now heat the ball over a flame and try to pass it through the ring. You will find that the ball when heated is not able to pass through the ring. The diameter of the ball increases when the ball is heated. This shows the expansion of solid on heating.
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संबंधित प्रश्न
Iron rims are heated before they are fixed on the wooden wheels.
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
A cubical metal solid block is heated. How will its volume change?
An iron washer is heated. State the effect on its external.
What are the different types of thermal expansions?
Define the following term:
Coefficient of superficial expansion
Borosilicate glass do not expand much on being heated.
- 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.
