Answers

2015-09-28T13:03:18+05:30
In class 9 random motion is the Brownian motion . it was first observed by scientist Robert Brown therefore it is named after him.random motion means to move in a zig- zag way .
 examples is the movement of dust particles in the water .
                hope that this will help u and if it helps u plz mark it as the brainiest.  
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