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State three advantages of using mercury in a thermometer liquid. - Physics

Short Note
State three advantages of using mercury in a thermometer liquid.
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Solution

Three advantages of using mercury as a thermometric liquid:
(i) Mercury is a good conductor of heat.
(ii) Mercury has a high coefficient of expansion thus is sensitive to the smallest change in temperature.
(iii) Freezing points is very low and the boiling point is high.

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

Frank Class 9 Physics ICSE
Chapter 5 Heat
Thermometry | Q 12 | Page 209
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