Physics · 2017
NEET 2017 · 7 May · Code A · Q11
Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K_1 and K_2. The thermal…
Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are $\displaystyle \mathrm{K}_1$ and $\displaystyle \mathrm{K}_2$. The thermal conductivity of the composite rod will be :
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \frac{\mathrm{K}_1+\mathrm{K}_2}{2}$
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NEET (UG) 2017 Physics question, with the answer from NTA’s final answer key. Where our answers come from.