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प्रश्न
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उत्तर
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संबंधित प्रश्न
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
What do you understand by thermal expansion of a substance?
One rod of copper and another identical rod of iron are heated to the same rise in temperature. Which rod will expand more? Give reason.
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.
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
An iron washer is heated. State the effect on its external.
An iron washer is heated. State the effect on its internal diameter.
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.
When the vibrations move from one molecule to another molecule heat will flow.
