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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

57. Water flows in a streamlined manner through a capillary tube of radius a, the pressure difference being P and the rate of flow Q. If the radius is reduced to a/2 and the pressure increased to 2P, the rate of flow becomes

(a) 4 Q (b) Q

(c) Q/4 (d) Q/8

Answer-d

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PrevPrevious56. Two capillaries of same length and radii in the ratio 1 : 2 are connected in series. A liquid flows through them in streamlined condition. If the pressure across the two extreme ends of the combination is 1 m of water, the pressure difference across first capillary is

Next58. A viscous fluid is flowing through a cylindrical tube. The velocity distribution of the fluid is best represented by the diagramNext

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