distinguish between linear and arial
superficial expansion
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Answer:
linear expansion is the increase only in length and superficial expansion is the increase in the area.
Explanation:
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LINEAR EXPANSION:
- linear expansion is also known as longitudinal expansion
- 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:
- 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
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