It is said that mercury is used in defining the temperature scale because it expands uniformly with nbsp- temperature- If the temperature scale is not yet defined- is it logical to say that a substance expands uniformly with temperature-

It is not illogical to say that mercury expands uniformly before temperature scale was defined. It #39;s uniform expansion can be studied by comparing the exp ...

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Standard XII

Physics

Introduction

It is said th...

Question

It is said that mercury is used in defining the temperature scale because it expands uniformly with temperature. If the temperature scale is not yet defined, is it logical to say that a substance expands uniformly with temperature?

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Solution

It is not illogical to say that mercury expands uniformly before temperature scale was defined. It's uniform expansion can be studied by comparing the expansion of mercury with expansion of other substances (like alcohol water etc).

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