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प्रश्न
State one application of thermal expansion of liquids.
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उत्तर
APPLICATION OF THERMAL EXPANSION OF LIQUIDS: An important application is mercury thermometer or alcohol thermometer.
When the bulb of the thermometer is kept in contact with a hot body the mercury expands and the level of mercury rises in the capillary tube.
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संबंधित प्रश्न
Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?
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 mass.
An iron washer is heated. State the effect on its internal diameter.
Define the following term:
Coefficient of cubical expansion
Borosilicate glass do not expand much on being heated.
What difference do you think heating the solid will make in their molecules?
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
How solids are expanded on heating?
