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State three properties of a liquid which make it suitable to be used in a thermometer. - Physics

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Question

State three properties of a liquid which make it suitable to be used in a thermometer.
Short Note

Solution

Three properties of a liquid which make it suitable to be used in a thermometer are:
(i) The substance should have a high coefficient of expansion so that it is sensitive to the smallest change in temperature
(ii) The substance should have uniform expansion all over its entire volume
(iii) The substance should have minimum specific heat so that it absorbs minimum heat from the body under measurement.

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Chapter 5: Heat - Thermometry [Page 209]

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Frank Physics [English] Class 9 ICSE
Chapter 5 Heat
Thermometry | Q 10 | Page 209
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