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संबंधित प्रश्न
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.
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into water. Explain the reason.
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
At what temperature the pure water has (a) maximum density (b) minimum volume?
Thermal expansion is always a nuisance.
What difference do you think heating the solid will make in their molecules?
Explain thermal expansion with suitable examples.
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
