Question

(iii) Coefficient of volume expansion
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Answer 1

An object of volume V expands to V+ΔV when temperature is increased by ΔT, then volume expansion coefficient αv is given by. αv = (ΔV/V) / ΔT.

Answer 2

Answer:

The coefficient of thermal expansion describes how the size of an object changes with a change in temperature. Specifically, it measures the fractional change in size per degree change in temperature at a constant pressure. Several types of coefficients have been developed: volumetric, area, and linea.

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