Which of the following force is utilized in reducing air pollution by removing dust, soot and fly-ash particles from the smoke coming out of chimneys of factories ?
A. magnetic force
B. gravitational force
C. electrostatic force
D. frictional force
Answer:C
Which of the following force is utilized in reducing air pollution by removing dust, soot and fly-ash particles from the smoke coming out of chimneys of factories ?
A. magnetic force B. gravitational force C. electrostatic force D. frictional force