# State the relation between the three types of expansion. - Physics

Definition
State the relation between the three types of expansion.

#### Solution

If the Coefficient of Linear expansion is denoted by α
Coefficient of superficial expansion is denoted by β
And Coefficient of volume expansion is denoted by γ
Then the relation between α, β and γ is stated as
β = 2 α and γ = 3 α

α : β : γ : : 1 : 2 : 3

Concept: Expansion of Substances (Thermal Expansion) - Expansion of Solids
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#### APPEARS IN

Frank Class 9 Physics ICSE
Chapter 5 Heat
Thermal Expansion | Q 2 | Page 202