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प्रश्न
In the ball and ring experiment, if the ball after heating is left to cool on the ring for sometime, the ball again passes through the ring. Explain the reason.
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उत्तर
On heating the ball expands and increases in size and cannot pass the ring when left on it. As the ball cools, it contracts, size becomes less than ring and passes the ring.
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संबंधित प्रश्न
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