Question

a .
In the given picture of the thermos flask what do labelling A, B, C and D represent?
b.
Explain how the part labelled as ‘A’ is helpful in preventing transfer of heat in the
thermos flask?

Answer 1

Answer:

A. repesent cork stopper

B. silverd wall

C. vacuum between wall.

C. shock absorber

as it is cork stopper it will create a atmospherefree vaccumuic pressure which will not let heat transfer