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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
The increase in length of a metal rod depends on
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?
A metal plate is heated. State three factors on which the increase in its area will depend.
State one application of thermal expansion of liquids.
Explain thermal expansion with suitable examples.
When the vibrations move from one molecule to another molecule heat will flow.
