Question

Consider a metalic rod being heated. When
one end of the rod is heated, heat is felt at
the other end. The following questions can
be asked on this observation
a) What happens within the rod when it
is heated?
b) How does the heat reach the other
end?
c) Is this effect true for all materials?
d) If heat flows through the material, is it
possible to visualize heat?​

Answer 1

Answer:

a. Conduction

b. Metals have some free electrons which passes the heat from one electron to the other and then to the whole metal rod.

c. No. This effect is true for only metals but not non-metals

d. No. It is not possible.

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Answer 2

Answer:

A ) When the rod is heated from one side the heat travels to the other side of the rod.

B) The heat reaches the other end by the rod

C) No

D) Yes