Q. The SI unit of the coefficient of volume expansion is __________.

आयतन विस्तार के गुणांक की SI इकाई __________ है।

m³/K
एम³/के

K
के

K⁻¹
क⁻¹

m/K
एम/के

The coefficient of volume expansion (γ) is defined as:

\gamma = \frac{\Delta V}{V \Delta T}

ΔV = change in volume
V = original volume
ΔT = temperature change
Since the volume units cancel out, the unit for γ becomes per kelvin, or K⁻¹ in SI units.

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