If we initially at a temperature above 4-C is cooled

The correct option is C It contracts till the temperature of water above reaches 4^∘C If we take some water at 0^∘C and start heating it, we find th ...

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Standard IX

Physics

Consequences of Anomalous Expansion

If we initial...

Question

If we initially at a temperature above $4^{\circ} C$ is cooled

It expands till the temperature of water above reaches

4^{\circ} C

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It contracts till the temperature of water above reaches

4^{\circ} C

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Solution

The correct option is C It contracts till the temperature of water above reaches $4^{\circ} C$
If we take some water at $0^{\circ} C$ and start heating it, we find that in the temperature range $0^{\circ} C$ to $4^{\circ} C$ , it contracts instead of expanding on heating it further above $4^{\circ} C$ , it expands.
If water initially at a temperature above $4^{\circ} C$ is cooled it contracts till the temperature of water above reaches $4^{\circ} C$ .

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If we initially at a temperature above 4∘C is cooled

If we initially at a temperature above $4^{\circ} C$ is cooled