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प्रश्न
Thermal expansion is always a nuisance.
विकल्प
True
False
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उत्तर
Thermal expansion is always a nuisance- False.
Correct statement
Thermal expansion is always beneficial.
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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.
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.
An iron washer is heated. State the effect on its mass.
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
What difference do you think heating the solid will make in their molecules?
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
What type of glassware is used in laboratories? Why?
When the vibrations move from one molecule to another molecule heat will flow.
