…………expansion is the increase in the area of a solid when heat is supplied to it.

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Solution

Superficial expansion: The increase in the area of a solid when heat is supplied to it is called superficial expansion.
Factors affecting superficial expansion: The original area of the solid, increase in temperature, nature of the metal.
Hence, superficial expansion is the increase in the area of a solid when heat is supplied to it.

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Similar questions

When the length of a solid rod increases on heating, it is known as _________ expansion.

The increase in area of the solid in heating is called

a)superficial expansion b)linear expansion

c)cubical expansion d)quadar expansion

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