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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
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
An iron washer is heated. State the effect on its internal diameter.
At what temperature the pure water has (a) maximum density (b) minimum volume?
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Define the following term:
Coefficient of superficial expansion
Define the following term:
Coefficient of cubical expansion
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Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
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When the vibrations move from one molecule to another molecule heat will flow.
