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.