NEET 2019 Physics Thermal Conductivity MCQ Question with Solution

The unit of thermal conductivity is:

A

Wm⁻¹K⁻¹

B

WmK⁻¹

C

JmK⁻¹

D

Jm⁻¹K⁻¹

Correct Answer

Option A

Detailed Explanation

The unit of thermal conductivity is derived from the formula for heat transfer, Q = kA(T₁ - T₂)t/d, where k is the thermal conductivity. The unit is Wm⁻¹K⁻¹.

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