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प्रश्न
An iron washer is heated. State the effect on its external.
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उत्तर
External diameter increases.
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संबंधित प्रश्न
What do you understand by thermal expansion of a substance?
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.
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?
Solids ______ on heating and ______ on cooling.
Thermal expansion is always a nuisance.
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
- 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.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
