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Question:

The unit of thermal conductivity is:

WmK⁻¹;

JmK⁻¹;

Jm⁻¹;K⁻¹;

Wm⁻¹;K⁻¹;

Solution:

Correct option is D. Wm⁻¹K⁻¹; In the International System of Units (SI), thermal conductivity is measured in watts per meter-kelvin i.e. Wm⁻¹K⁻¹;