An incense stick is lighted in a closed room in which there is no flow

1.	An incense stick is lighted in a closed room in which there is no flow of air. Then, choose the correct option given below. (a) Flow of smoke is initially turbulent, then laminar (b) Flow of smoke is initially laminar, then turbulent (c) Flow of smoke is turbulent only (d) Flow of smoke is laminar only
Answer» Correct option is (b) Flow of smoke is initially laminar, then turbulent As smoke rises up in air, speed of smoke increases and flow becomes turbulent

An incense stick is lighted in a closed room in which there is no flow of air. Then, choose the correct option given below. (a) Flow of smoke is initially turbulent, then laminar (b) Flow of smoke is initially laminar, then turbulent (c) Flow of smoke is turbulent only (d) Flow of smoke is laminar only

Answer»

Correct option is (b) Flow of smoke is initially laminar, then turbulent

As smoke rises up in air, speed of smoke increases and flow becomes turbulent

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