Question

What is the SI unit of coefficient of thermal expansion ???

Answer 1

Explanation:

Thermal expansion refers to a fractional change in size of a material in response to a change in temperature. For most materials, over small temperature ranges, these fractional changes… uses the SI unit inverse kelvin (K−1 or 1/K) or the equivalent acceptable non SI unit inverse degree Celsius (°C−1 or 1/°C).

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Answer 2

Answer:

joules

Explanation:

it's simple bhai

joule because thermal expansion is a phenomenon of heating therefore same si unit