GKFix MCQ Question

What is the dimensional formula for thermal conductivity?

• A. [M L T⁻³ K⁻¹]
• B. [M L² T⁻³ K⁻¹]
• C. [M L⁻¹ T⁻³ K⁻¹]
• D. [M L T⁻² K⁻¹]