Question

ring made up of copper and iron are fixed. on heating the rings explain what happens to them if the thickness of the rings are negligible?​

Answer 1

Answer:

copper and iron are mixed together to make the ring even harder and unbreakable. on heating them a black deposit will be made on the ring . if you further heat the ring in very high temperature the ring might burn and melt.

Explanation:

Answer 2

Answer:

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Explanation:

When heated the metal rings expand but the thermal expansion of copper is ore than the thermal expansion of iron thus the iron ring breaks.