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Question
Which of the following is an example of heat transfer predominantly through conduction?
Which of the following is an example of heat transfer predominantly through conduction?
Heating the air inside a hot air balloon
Heating of a rod
Basking by the fire
Heat from the SunOpen in App
Solution
The correct option is B Heating of a rod
We already know that for conduction to occur, two bodies must be in direct contact with each other.
The Sun's heat reaches us via radiation.
Heating the air inside a hot air balloon is an example of convection because as the air gets heated up, it rises and thus lifts the hot air balloon up in the atmosphere.
In the scenerio of basking by fire, heat from the bonefire reaches children predominantly via convection as well as radiation, and not through conduction.
In the scenario of heating of a rod, the flame of the candle is in direct contact with the rod.
It is clearly an example of heat transfer through conduction.
Heating of a rodWe already know that for conduction to occur, two bodies must be in direct contact with each other.
The Sun's heat reaches us via radiation.
Heating the air inside a hot air balloon is an example of convection because as the air gets heated up, it rises and thus lifts the hot air balloon up in the atmosphere.
In the scenerio of basking by fire, heat from the bonefire reaches children predominantly via convection as well as radiation, and not through conduction.
In the scenario of heating of a rod, the flame of the candle is in direct contact with the rod.
It is clearly an example of heat transfer through conduction.
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