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

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

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Standard IX

Physics

Consequences of Anomalous Expansion

If water init...

Question

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

It expands till the temperature of water above reaches

4^{\circ}

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It contracts till the temperature of water above reaches

4^{\circ}

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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 0C 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 water initially at a temperature above 4∘C is cooled

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