write the experiment on materials expands on heating
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The expansions of materials like solids expands on heating and contracts on cooling an be shown by following experiment:
Apparatus required :
Iron wire, Curtain ring, two vertical stands , bunser burner
Procedure :
Take a piece of iron wire .
Slip a curtain ring through wire.
Stretch the wire between the two vertical stands .
Adjust the positions of stands in such a way that the wire is tight .
Now heat the wire using a burner.
Observations :
We notice that wire no longer reaming same . It becomes loose
This is indicated by dangling ring
Conclusion :
This experiment shows that wire [material] expands on heating.
Apparatus required :
Iron wire, Curtain ring, two vertical stands , bunser burner
Procedure :
Take a piece of iron wire .
Slip a curtain ring through wire.
Stretch the wire between the two vertical stands .
Adjust the positions of stands in such a way that the wire is tight .
Now heat the wire using a burner.
Observations :
We notice that wire no longer reaming same . It becomes loose
This is indicated by dangling ring
Conclusion :
This experiment shows that wire [material] expands on heating.
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