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प्रश्न
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
What do you understand by thermal expansion of a substance?
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 cubical metal solid block is heated. How will its volume change?
Water is heated from 0°C to 4°C. Will it expand?
An iron washer is heated State the effect on its density.
An iron washer is heated. State the effect on its external.
What is the velocity of thermal radiations?
Complete the following sentence:
When ice melts its volume ______ and density _______.
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
