Plz explain the answer of 24 and 25

Asked by vikasg13.hardware | 29th Dec, 2017, 12:32: PM

Expert Answer:

Q.24 Answer

The direction of flow of smoke will be towards the candle first and then upwards when incense stick is kept little above the candle.

Because, above the candle the air is hot and lighter.

Q.25  Answer

The above experiment show the direction of movement of hot and cold air.

Answered by Varsha | 29th Dec, 2017, 03:20: PM