Question

explain the movement of smokeflow of incense stick above a candle placed in a glaass jar in following cases

which way does the smoke flow when incence stick is kept

1.nearthe edge ofthe mouth of jar? 2. a little above the candle? 3. in other regions?

Answer 1

Place a candle in a beaker or widemouthed bottle and light it. Light an incense stick and take it to the mouth of the above bottle (Figure 14.1).Which way does the smoke flow when the incense stick is kept near the edge of the mouth?