Question

What is the application of thermal expansion of liquid?

Answer 1

Thermometers are another application of thermal expansion – most contain aliquid (usually mercury or alcohol) which is constrained to flow in only one direction (along the tube) due to changes in volume brought about by changes in temperature.

Answer 2

Hey there!  ☺☻☺

Applications of thermal expansion are:

♣ Thermometer 

It is a device which uses linear expansion to measure the temperature of the body. When it comes in the contact with body the mercury rises up by which we can know body temperature.

Another Example:

♣ Pendulum clock

It also works on principle of thermal expansion. The metal rod used in it expands and its length increases during summers because of sun's heat and in winters, it winters the length decreases and made time of it wrong. It is made up of special type of steel called invar which have negligible expansion.

Hope It Helps You! ☺☻☺

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