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State one application of thermal expansion of liquids. - Physics

Answer in Brief

State one application of thermal expansion of liquids.

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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.

Concept: Expansion of Substances (Thermal Expansion) - Expansion of Solids
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APPEARS IN

Selina Concise Physics Class 8 ICSE
Chapter 6 Heat Transfer
Short/long Answer Questions | Q 29 | Page 121
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