Two light balls are suspended as shown in figure. When a stream of air passes through the space between them, the distance between the balls will
Text Solution
Verified by ExpertsThe correct answer is:
D
When stream of air passes through the space between the balls it creates a vaccum in that
area. Nearby air comes in action to fill this space. As a result a drag force acts on the balls and again the balls are light in weight, thus they will move towards each other. Resultantly, the distance between the balls will decrease.
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