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
Kerosene contracts on heating.
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?
Define the following term:
Coefficient of superficial expansion
Give reasons for the following:
In cold countries, water pipes burst in winter.
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.
Explain thermal expansion with suitable examples.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
How solids are expanded on heating?
