A cube of ice is placed on a bimetallic strip at room temperature
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In a bimetallic strip if the temperature rises the strip will bend with the metal of the higher expansivity on the outside of the curve (because the outside of the curve will be slightly longer than the inside of the curve).
Similarly the metal with the higher expansivity will be on the inside of the curve if the temperature falls.
As typed out the question is meaningless since it does not state that the strip is horizontal with a flat face in a horizontal plane. We have to assume that the strip is aligned as I describe.
Assume that since metals are good conductors the upper and lower strips attain equal temperatures quickly.
Similarly the metal with the higher expansivity will be on the inside of the curve if the temperature falls.
As typed out the question is meaningless since it does not state that the strip is horizontal with a flat face in a horizontal plane. We have to assume that the strip is aligned as I describe.
Assume that since metals are good conductors the upper and lower strips attain equal temperatures quickly.
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