NDA2015General AbilityGeneral ScienceActual
Which one of the following is the SI unit of the thermal conductivity of a material?
Options
- AWm ⁻¹ ~K ⁻¹
- BWm / K
- CWm ⁻¹ / K ⁻¹
- DJs ⁻¹ ~m ⁻¹ ~K
Correct answer
A. Wm ⁻¹ ~K ⁻¹
Step-by-step solution
In SI units, thermal conductivity is measured in watts per meter kelvin ( W /( m . K )) .