Question

.. Distinguish between linear, arial and
superficial expansion.​

Answer 1

linear expansion is the increase only in length and superficial expansion is the increase in the area. Explanation: ... The coefficient of superficial expansion is defined as the ratio of increase in area to its original area for every degree increase in temperature.

Answer 2

Answer:

when a body is heated or cooled the length of the body changes due to change in its temperature is called linear expansion. superficial expansion is also known as arial expansion. if there is an increase in the area of solid object due to heating then the expansion is called superficial expansion.

Explanation:

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