Question

If we blow air from our mouth on the smoke rising up from joss stick, then the of smoke changes.

• A. mass
• B. colour
• C. direction of motion

Answer 1

The correct option is C direction of motion

If we blow air from our mouth on the smoke rising up from a burning joss stick, then the direction of motion of smoke changes. The force exerted by the blowing air changes the direction of the rising smoke.