Question

1) How can you exsperimentally prove that increased wind Speed leads to creduced air preasure​

Answer 1

1. Hold a 20 cm long and 3 cm wide paper strip between your thumb and forefinger.
2. Blow air over the paper.
3. Blow air over the paper.Ensure fingers do not obstruct the flow of air while blowing.
4. Blow air over the paper.Ensure fingers do not obstruct the flow of air while blowing.It is noticed that the paper is lifted up instead of going down.
5. Blow air over the paper.Ensure fingers do not obstruct the flow of air while blowing.It is noticed that the paper is lifted up instead of going down.Harder we blow, higher it rises up. This is because the air blowing over the strip cause reduction in the pressure.

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