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What is the principle of the thermometer? - Physics

Short Note

What is the principle of the thermometer?

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Solution

The thermometer works on the principle that substances expand on heating and contract on cooling. So we use a thermometric substance which expands and contracts uniformly.

Concept: Temperature
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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 5 Heat
Exercise | Q 50 | Page 230
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