Physics · PYQ NEET UG 2019(1)

The unit of thermal conductivity is:

1. A
   \( \text{WmK}^{-1} \)
2. B
   \( \text{Wm}^{-1}\text{K}^{-1} \)
3. C
   \( \text{JmK}^{-1} \)
4. D
   \( \text{Jm}^{-1}\text{K}^{-1} \)