Question
If you light a candle and keep one hand above the flame and other on the side, which feels hotter? Which mode of heat transfer takes place? [3 MARKS]
Answer:
:
Explanation: 2 Marks
Mode: 1 Mark
When we light a candle and keep one hand on the flame and the other on the side, the hand which is above the flame feels hotter.
Theair around the candle gets heated up and rises, cool air from the sides come and take its place.
Here, heat is getting transferred by convection.
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:
Explanation: 2 Marks
Mode: 1 Mark
When we light a candle and keep one hand on the flame and the other on the side, the hand which is above the flame feels hotter.
Theair around the candle gets heated up and rises, cool air from the sides come and take its place.
Here, heat is getting transferred by convection.
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