Which of the following force is utilised 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) electostatic force (d) frictional force

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Solution

(c) electostatic force

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Which of the following force is utilised 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) electostatic force (d) frictional force

(c) electostatic force

Which of the following force is utilised 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) electostatic force (d) frictional force