Two identical vertical walls are made of the same material
PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter
Problem
Two identical vertical walls are made of the same material, but wall P is twice as thick as wall Q. Both faces of each wall are kept at the same temperature difference ΔT. Compared with the heat flow rate through wall Q, the rate through wall P is
(a) twice as large
(b) half as large
(c) the same
(d) one-quarter as large