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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

60. Two capillary of length L and 2L and of radius R and 2R are connected in series. The net rate of flow of fluid through them will be

(given rate of the flow through single capillary, X=(Π PR⁴)/ηL

(a) (8/9)X (b) (9/8)X

(c) (5/7)X (d) (7/5)X

Answer-a

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PrevPrevious59. Water is flowing in a pipe of diameter 4 cm with a velocity 3 m/s. The water then enters into a tube of diameter 2 cm. The velocity of water in the other pipe is

Next61. When a body falls in air, the resistance of air depends to a great extent on the shape of the body, 3 different shapes are given. Identify the combination of air resistances which truly represents the physical situation. (The cross sectional areas are the same).Next

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