Transmission Of Heat Question 66

Question: In order that the heat flows from one part of a solid to another part, what is required

[Pb. PMT 1999; EAMCET 1998]

Options:

A) Uniform density

B) Density gradient

C) Temperature gradient

D) Uniform temperature

Show Answer

Answer:

Correct Answer: C

Solution:

Heat energy always flow from higher temperature to lower temperature. Hence, temperature difference w.r.t. length (temperature gradient) is required to flow heat from one part of a solid to other part.