Question 340: Properties of Matter

Question

The unit of thermal conductivity is :

Accepted Answer

We know,
Heat transfer (Q) = KA$$\left( {{{\Delta T} \over {\Delta x}}} ight)$$$$ 	imes $$t
Here, K is the coefficient of thermal conductivity
J = (K)m
2
$${{kelvin} \over m}$$$$ 	imes $$ s
$$ 	herefore $$ Unit of K = Wm
Ã¢ÂÂ1
K
Ã¢ÂÂ1

Answer

J m
–1
K
–1

Answer

W m K
–1

Answer

J m K
–1

Answer

W m
–1
K
–1

Properties of Matter

The unit of thermal conductivity is :

Choose the correct answer: