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8. A manometer connected to a closed tap reads

3.5 × 105 N/m2. When the valve is opened, the reading of manometer falls to 3.0 × 105 N/m2, then velocity of flow of water is

(a)      100 m/s                                    (b)  10 m/s

(c)   1 m/s                                           (d)   10√10 m/s

Answer-b

(57)

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