2nd October 2019


What is area of Expansivity?

Fractional increase in the length (linear expansivity), area (superficial expansivity), or volume (volume expansivity) of a solid, per degree to its corresponding value at a standard temperature. Also called coefficient of expansion.

What is the definition of cubic Expansivity?

CUBIC EXPANSIVITY OF A LIQUID : the real (or absolute) cubic expansivity of a liquid is defined as the increase in volume per unit volume per unit rise in temperature.

What is linear expansivity of a material?

The constant is called the linear expansivity of the metal, given the symbol a (which is why I kept writing out "is proportional to"!). Definition: The linear expansivity of a substance is the fractional change in length of a sample of the substance per degree C change in temperature.
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