Observe the setup and answer the following. What causes the movement of a paper snake when it is kept above a burning candle and in which direction does it move when observed from the top?
In the given figure, a burning candle is kept in the trough containing water. It is put off after some time when covered by an inverted gas jar. What can be concluded from the above activity?
When a coil of copper is kept at a certain distance above a flame, the candle keeps burning, but when the coil is placed over the flame, it is extinguished. This happens because