Question

Several nails were attached to a metallic rod, through its length by using
drops of wax. This rod was placed horizontally with one end subjected to
the flame of a burner, as depicted, below: Gradually, the nails closer to
point Y began to fall due to- *


Convection of heat from X to Y
Conduction of heat from X to Y
Conduction of heat from Y to X
O Convection of heat from Y to X​

Answer 1

the correct answer was conduction of heat from x to from x to y.