Advertisements
Advertisements
Question
State one application of thermal expansion of liquids.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
A metal plate is heated. State three factors on which the increase in its area will depend.
A cubical metal solid block is heated. How will its volume change?
An iron washer is heated. State the effect on its internal diameter.
What is meant by thermal expansion?
The diagram shows a sketch graph showing a change in volume of a given mass of ice at -5°C to water at 15°C.

(i) Why does the temperature along BC remain constant?
(ii) When is the volume of water minimum?
(iii) At what temperature does water have maximum density? Explain.
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.

Borosilicate glass do not expand much on being heated.
- 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 ______.
