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प्रश्न
What do you understand by thermal expansion of a substance?
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उत्तर
The expansion of a substance on heating is called the thermal expansion of the substance.
संबंधित प्रश्न
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
The increase in length of a metal rod depends on
What is matter? What is it composed of?
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.
Iron rims are heated before they are fixed on the wooden wheels.
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.
100 ml of each of the following liquid is heated from 10°C to 50°C. Which will expand more : (a) water (b) benzene (c) alcohol?
An iron washer is heated. State the effect on its mass.
What are the different types of thermal expansions?
What is thermal expansion?
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
When we cool the liquid it will become ______.
When the vibrations move from one molecule to another molecule heat will flow.
