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When we try to close a water tap with ou...

When we try to close a water tap with our fingers fast jets of water through the openings between our fingers. Explain why.

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From the equation of continuity, `va=` constant where, v is the velocity of the fluid and a is cross sectional area of the tube. When we try to close a water tap with our fingers , the cross sectional area of the outlet of water jet is reduced . Hence , velocity of water increases greatly and fast jets of water come through the openings between our fingers.
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