Physics - Heat & Thermo Question with Solution | TestHub
Entries in column I consists of diagrams of thermal conductors. The type of conductor and direction of heat flows are listed below. Entries in column II consists of the magnitude of rate of heat flow belonging to any of the entries in column I. If temperature difference in all the cases is , then match column
Column I | Column II |
|---|---|
(A)
Thick cylindrical shell, flow along axis | |
(B)
Thick spherical shell, radial flow | |
(C)
Thick cylindrical shell, radial flow | |
(D)
Solid cylinder, flow along axis, variable k as k = k0(1+x/(3R)) |
List - I | List - II |
|---|---|
(C) Thick cylindrical shell, radial flow | (P) 6 pi k0 R (T1-T2) |
(D) Solid cylinder, flow along axis, variable k | (Q) pi k0 R (T1-T2)/(3 ln2) |
(A) Thick cylindrical shell, flow along axis | (R) pi k0 R (T1-T2) |
(B) Thick spherical shell, radial flow | (S) 4 pi k0 R (T1-T2)/ln2 |
Options:
Answer:
Solution:
(A)




